64500020707 has 2 divisors, whose sum is σ = 64500020708. Its totient is φ = 64500020706.

The previous prime is 64500020687. The next prime is 64500020713. The reversal of 64500020707 is 70702000546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64500020707 - 2⁷ = 64500020579 is a prime.

It is not a weakly prime, because it can be changed into another prime (64500020797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32250010353 + 32250010354.

It is an arithmetic number, because the mean of its divisors is an integer number (32250010354).

Almost surely, 2^64500020707 is an apocalyptic number.

64500020707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64500020707 is an equidigital number, since it uses as much as digits as its factorization.

64500020707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 64500020707 in words is "sixty-four billion, five hundred million, twenty thousand, seven hundred seven".