4642031157 has 4 divisors (see below), whose sum is σ = 6189374880. Its totient is φ = 3094687436.

The previous prime is 4642031153. The next prime is 4642031167. The reversal of 4642031157 is 7511302464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4642031157 - 2² = 4642031153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642031153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773671857 + ... + 773671862.

It is an arithmetic number, because the mean of its divisors is an integer number (1547343720).

Almost surely, 2^4642031157 is an apocalyptic number.

It is an amenable number.

4642031157 is a deficient number, since it is larger than the sum of its proper divisors (1547343723).

4642031157 is a wasteful number, since it uses less digits than its factorization.

4642031157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547343722.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4642031157 is about 68132.4530381814. The cubic root of 4642031157 is about 1668.1535231114.

It can be divided in two parts, 46420 and 31157, that added together give a palindrome (77577).

The spelling of 4642031157 in words is "four billion, six hundred forty-two million, thirty-one thousand, one hundred fifty-seven".