2568135701 has 8 divisors (see below), whose sum is σ = 2639765304. Its totient is φ = 2496623040.

The previous prime is 2568135683. The next prime is 2568135727. The reversal of 2568135701 is 1075318652.

It can be written as a sum of positive squares in 4 ways, for example, as 1015696900 + 1552438801 = 31870^2 + 39401^2 .

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 2568135701 - 2²⁶ = 2501026837 is a prime.

It is a super-2 number, since 2×2568135701² = 13190641957501522802, which 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 (2568135751) 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, 16271 + ... + 73491.

It is an arithmetic number, because the mean of its divisors is an integer number (329970663).

Almost surely, 2^2568135701 is an apocalyptic number.

It is an amenable number.

2568135701 is a deficient number, since it is larger than the sum of its proper divisors (71629603).

2568135701 is a wasteful number, since it uses less digits than its factorization.

2568135701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58471.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2568135701 is about 50676.7767424093. The cubic root of 2568135701 is about 1369.4283762639.

The spelling of 2568135701 in words is "two billion, five hundred sixty-eight million, one hundred thirty-five thousand, seven hundred one".