10642531734 has 64 divisors (see below), whose sum is σ = 24450074880. Its totient is φ = 3429216000.

The previous prime is 10642531727. The next prime is 10642531747. The reversal of 10642531734 is 43713524601.

10642531734 is a `hidden beast` number, since 1 + 0 + 642 + 5 + 3 + 1 + 7 + 3 + 4 = 666.

It is a super-2 number, since 2×10642531734² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201609 + ... + 248859.

It is an arithmetic number, because the mean of its divisors is an integer number (382032420).

Almost surely, 2^10642531734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10642531734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12225037440).

10642531734 is an abundant number, since it is smaller than the sum of its proper divisors (13807543146).

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

10642531734 is a wasteful number, since it uses less digits than its factorization.

10642531734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47402 (or 47396 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 10642531734 in words is "ten billion, six hundred forty-two million, five hundred thirty-one thousand, seven hundred thirty-four".