7745132957 has 2 divisors, whose sum is σ = 7745132958. Its totient is φ = 7745132956.

The previous prime is 7745132951. The next prime is 7745132981. The reversal of 7745132957 is 7592315477.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7213784356 + 531348601 = 84934^2 + 23051^2 .

It is a cyclic number.

It is not a de Polignac number, because 7745132957 - 2⁸ = 7745132701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7745132951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3872566478 + 3872566479.

It is an arithmetic number, because the mean of its divisors is an integer number (3872566479).

Almost surely, 2^7745132957 is an apocalyptic number.

It is an amenable number.

7745132957 is a deficient number, since it is larger than the sum of its proper divisors (1).

7745132957 is an equidigital number, since it uses as much as digits as its factorization.

7745132957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 50.

The square root of 7745132957 is about 88006.4370202544. The cubic root of 7745132957 is about 1978.5314551083.

The spelling of 7745132957 in words is "seven billion, seven hundred forty-five million, one hundred thirty-two thousand, nine hundred fifty-seven".