3561593157 has 12 divisors (see below), whose sum is σ = 5145735660. Its totient is φ = 2373835968.

The previous prime is 3561593137. The next prime is 3561593159. The reversal of 3561593157 is 7513951653.

3561593157 is a `hidden beast` number, since 3 + 5 + 6 + 1 + 593 + 1 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2942628516 + 618964641 = 54246^2 + 24879^2 .

It is not a de Polignac number, because 3561593157 - 2⁷ = 3561593029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561593159) 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, 4282 + ... + 84507.

It is an arithmetic number, because the mean of its divisors is an integer number (428811305).

Almost surely, 2^3561593157 is an apocalyptic number.

It is an amenable number.

3561593157 is a deficient number, since it is larger than the sum of its proper divisors (1584142503).

3561593157 is a wasteful number, since it uses less digits than its factorization.

3561593157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93252 (or 93249 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 3561593157 is about 59679.0847533707. The cubic root of 3561593157 is about 1527.1490842459.

The spelling of 3561593157 in words is "three billion, five hundred sixty-one million, five hundred ninety-three thousand, one hundred fifty-seven".