6320689157 has 2 divisors, whose sum is σ = 6320689158. Its totient is φ = 6320689156.

The previous prime is 6320689103. The next prime is 6320689183. The reversal of 6320689157 is 7519860236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6184406881 + 136282276 = 78641^2 + 11674^2 .

It is a cyclic number.

It is not a de Polignac number, because 6320689157 - 2⁸ = 6320688901 is a prime.

It is a super-2 number, since 2×6320689157² = 79902222838834741298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6320689187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160344578 + 3160344579.

It is an arithmetic number, because the mean of its divisors is an integer number (3160344579).

Almost surely, 2^6320689157 is an apocalyptic number.

It is an amenable number.

6320689157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6320689157 is an equidigital number, since it uses as much as digits as its factorization.

6320689157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6320689157 is about 79502.7619457337. The cubic root of 6320689157 is about 1848.9342931486.

The spelling of 6320689157 in words is "six billion, three hundred twenty million, six hundred eighty-nine thousand, one hundred fifty-seven".