6157909701 has 12 divisors (see below), whose sum is σ = 8932936428. Its totient is φ = 4087652544.

The previous prime is 6157909699. The next prime is 6157909721. The reversal of 6157909701 is 1079097516.

6157909701 is a `hidden beast` number, since 6 + 1 + 579 + 0 + 9 + 70 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1183428801 + 4974480900 = 34401^2 + 70530^2 .

It is not a de Polignac number, because 6157909701 - 2¹ = 6157909699 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6157909721) 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, 1466170 + ... + 1470363.

It is an arithmetic number, because the mean of its divisors is an integer number (744411369).

Almost surely, 2^6157909701 is an apocalyptic number.

It is an amenable number.

6157909701 is a deficient number, since it is larger than the sum of its proper divisors (2775026727).

6157909701 is a wasteful number, since it uses less digits than its factorization.

6157909701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936772 (or 2936769 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The square root of 6157909701 is about 78472.3499138391. The cubic root of 6157909701 is about 1832.9239193290.

The spelling of 6157909701 in words is "six billion, one hundred fifty-seven million, nine hundred nine thousand, seven hundred one".