34749445157957 has 8 divisors (see below), whose sum is σ = 35600270563032. Its totient is φ = 33898775846400.

The previous prime is 34749445157951. The next prime is 34749445157989. The reversal of 34749445157957 is 75975154494743.

It is a Cunningham number, because it is equal to 5894866²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 34749445157956 = 1^2 + 5894866^2 .

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 34749445157957 - 2⁴ = 34749445157941 is a prime.

It is a super-2 number, since 2×34749445157957² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34749445157951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38572628 + ... + 39463229.

It is an arithmetic number, because the mean of its divisors is an integer number (4450033820379).

Almost surely, 2^{34749445157957} is an apocalyptic number.

It is an amenable number.

34749445157957 is a deficient number, since it is larger than the sum of its proper divisors (850825405075).

34749445157957 is a wasteful number, since it uses less digits than its factorization.

34749445157957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78046759.

The product of its digits is 2667168000, while the sum is 74.

The spelling of 34749445157957 in words is "thirty-four trillion, seven hundred forty-nine billion, four hundred forty-five million, one hundred fifty-seven thousand, nine hundred fifty-seven".