10621397964744 has 192 divisors, whose sum is σ = 33374777155200. Its totient is φ = 2988644262912.

The previous prime is 10621397964739. The next prime is 10621397964773. The reversal of 10621397964744 is 44746979312601.

10621397964744 is a `hidden beast` number, since 1 + 0 + 62 + 1 + 39 + 79 + 6 + 474 + 4 = 666.

It is a super-2 number, since 2×10621397964744² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142767684 + ... + 142842060.

It is an arithmetic number, because the mean of its divisors is an integer number (173826964350).

Almost surely, 2^{10621397964744} is an apocalyptic number.

10621397964744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10621397964744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16687388577600).

10621397964744 is an abundant number, since it is smaller than the sum of its proper divisors (22753379190456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621397964744 is a wasteful number, since it uses less digits than its factorization.

10621397964744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78692 (or 78685 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 10621397964744 in words is "ten trillion, six hundred twenty-one billion, three hundred ninety-seven million, nine hundred sixty-four thousand, seven hundred forty-four".