6475632157 has 2 divisors, whose sum is σ = 6475632158. Its totient is φ = 6475632156.

The previous prime is 6475632091. The next prime is 6475632161. The reversal of 6475632157 is 7512365746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6453551556 + 22080601 = 80334^2 + 4699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6475632157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6475632187) 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 as a sum of consecutive naturals, namely, 3237816078 + 3237816079.

It is an arithmetic number, because the mean of its divisors is an integer number (3237816079).

Almost surely, 2^6475632157 is an apocalyptic number.

It is an amenable number.

6475632157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6475632157 is an equidigital number, since it uses as much as digits as its factorization.

6475632157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The square root of 6475632157 is about 80471.3126337579. The cubic root of 6475632157 is about 1863.9205235022.

The spelling of 6475632157 in words is "six billion, four hundred seventy-five million, six hundred thirty-two thousand, one hundred fifty-seven".