10502021642 has 16 divisors (see below), whose sum is σ = 18051741312. Its totient is φ = 4488797520.

The previous prime is 10502021617. The next prime is 10502021659. The reversal of 10502021642 is 24612020501.

It is a happy number.

It is a super-2 number, since 2×10502021642² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000334 + ... + 1010777.

It is an arithmetic number, because the mean of its divisors is an integer number (1128233832).

Almost surely, 2^10502021642 is an apocalyptic number.

10502021642 is a deficient number, since it is larger than the sum of its proper divisors (7549719670).

10502021642 is a wasteful number, since it uses less digits than its factorization.

10502021642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011493.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 10502021642 in words is "ten billion, five hundred two million, twenty-one thousand, six hundred forty-two".