29757057685 has 8 divisors (see below), whose sum is σ = 35743043160. Its totient is φ = 23782596864.

The previous prime is 29757057679. The next prime is 29757057709. The reversal of 29757057685 is 58675075792.

It can be written as a sum of positive squares in 4 ways, for example, as 5258860324 + 24498197361 = 72518^2 + 156519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29757057685 - 2¹³ = 29757049493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875480 + ... + 2885809.

It is an arithmetic number, because the mean of its divisors is an integer number (4467880395).

Almost surely, 2^29757057685 is an apocalyptic number.

It is an amenable number.

29757057685 is a deficient number, since it is larger than the sum of its proper divisors (5985985475).

29757057685 is a wasteful number, since it uses less digits than its factorization.

29757057685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762327.

The product of its (nonzero) digits is 37044000, while the sum is 61.

The spelling of 29757057685 in words is "twenty-nine billion, seven hundred fifty-seven million, fifty-seven thousand, six hundred eighty-five".