64250332507 has 2 divisors, whose sum is σ = 64250332508. Its totient is φ = 64250332506.

The previous prime is 64250332441. The next prime is 64250332511. The reversal of 64250332507 is 70523305246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64250332507 is a prime.

It is not a weakly prime, because it can be changed into another prime (64250332547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32125166253 + 32125166254.

It is an arithmetic number, because the mean of its divisors is an integer number (32125166254).

Almost surely, 2^64250332507 is an apocalyptic number.

64250332507 is a deficient number, since it is larger than the sum of its proper divisors (1).

64250332507 is an equidigital number, since it uses as much as digits as its factorization.

64250332507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 64250332507 in words is "sixty-four billion, two hundred fifty million, three hundred thirty-two thousand, five hundred seven".