1397931034500 has 3072 divisors, whose sum is σ = 6492405104640. Its totient is φ = 250387200000.

The previous prime is 1397931034427. The next prime is 1397931034517. The reversal of 1397931034500 is 54301397931.

1397931034500 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 93 + 103 + 450 + 0 = 666.

It is a super-2 number, since 2×1397931034500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 19689169465 + ... + 19689169535.

It is an arithmetic number, because the mean of its divisors is an integer number (2113413120).

Almost surely, 2^{1397931034500} is an apocalyptic number.

1397931034500 is a gapful number since it is divisible by the number (10) 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 1397931034500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3246202552320).

1397931034500 is an abundant number, since it is smaller than the sum of its proper divisors (5094474070140).

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

1397931034500 is a wasteful number, since it uses less digits than its factorization.

1397931034500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The spelling of 1397931034500 in words is "one trillion, three hundred ninety-seven billion, nine hundred thirty-one million, thirty-four thousand, five hundred".