10506749944 has 32 divisors (see below), whose sum is σ = 19909926720. Its totient is φ = 5197602816.

The previous prime is 10506749893. The next prime is 10506749951. The reversal of 10506749944 is 44994760501.

It is a super-2 number, since 2×10506749944² (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 7 ways as a sum of consecutive naturals, for example, 511537 + ... + 531679.

It is an arithmetic number, because the mean of its divisors is an integer number (622185210).

Almost surely, 2^10506749944 is an apocalyptic number.

It is an amenable number.

10506749944 is a deficient number, since it is larger than the sum of its proper divisors (9403176776).

10506749944 is a wasteful number, since it uses less digits than its factorization.

10506749944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20839 (or 20835 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 10506749944 in words is "ten billion, five hundred six million, seven hundred forty-nine thousand, nine hundred forty-four".