21496739484150 has 768 divisors, whose sum is σ = 70515166740480. Its totient is φ = 4713673305600.

The previous prime is 21496739484137. The next prime is 21496739484167. The reversal of 21496739484150 is 5148493769412.

21496739484150 is a `hidden beast` number, since 2 + 1 + 4 + 96 + 7 + 394 + 8 + 4 + 150 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 8453297779 + ... + 8453300321.

It is an arithmetic number, because the mean of its divisors is an integer number (91816623360).

It is a 1-persistent number, because it is pandigital, but 2⋅21496739484150 = 42993478968300 is not.

Almost surely, 2^{21496739484150} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21496739484150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35257583370240).

21496739484150 is an abundant number, since it is smaller than the sum of its proper divisors (49018427256330).

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

21496739484150 is a wasteful number, since it uses less digits than its factorization.

21496739484150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 21496739484150 in words is "twenty-one trillion, four hundred ninety-six billion, seven hundred thirty-nine million, four hundred eighty-four thousand, one hundred fifty".