10705129739 has 12 divisors (see below), whose sum is σ = 11309482080. Its totient is φ = 10131585840.

The previous prime is 10705129733. The next prime is 10705129751. The reversal of 10705129739 is 93792150701.

It is a de Polignac number, because none of the positive numbers 2^k-10705129739 is a prime.

It is a super-2 number, since 2×10705129739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10705129739.

It is not an unprimeable number, because it can be changed into a prime (10705129733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360809 + ... + 389349.

It is an arithmetic number, because the mean of its divisors is an integer number (942456840).

Almost surely, 2^10705129739 is an apocalyptic number.

10705129739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10705129739 is a deficient number, since it is larger than the sum of its proper divisors (604352341).

10705129739 is a wasteful number, since it uses less digits than its factorization.

10705129739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29618 (or 29599 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 44.

The spelling of 10705129739 in words is "ten billion, seven hundred five million, one hundred twenty-nine thousand, seven hundred thirty-nine".