3642807157 has 8 divisors (see below), whose sum is σ = 4024275840. Its totient is φ = 3269722560.

The previous prime is 3642807149. The next prime is 3642807187. The reversal of 3642807157 is 7517082463.

3642807157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3642807157 - 2³ = 3642807149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642807187) 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, 2095108 + ... + 2096845.

It is an arithmetic number, because the mean of its divisors is an integer number (503034480).

Almost surely, 2^3642807157 is an apocalyptic number.

It is an amenable number.

3642807157 is a deficient number, since it is larger than the sum of its proper divisors (381468683).

3642807157 is a wasteful number, since it uses less digits than its factorization.

3642807157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192043.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 3642807157 is about 60355.6721195283. The cubic root of 3642807157 is about 1538.6696720928.

The spelling of 3642807157 in words is "three billion, six hundred forty-two million, eight hundred seven thousand, one hundred fifty-seven".