6387625073 has 2 divisors, whose sum is σ = 6387625074. Its totient is φ = 6387625072.

The previous prime is 6387625063. The next prime is 6387625151. The reversal of 6387625073 is 3705267836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5284853809 + 1102771264 = 72697^2 + 33208^2 .

It is a cyclic number.

It is not a de Polignac number, because 6387625073 - 2⁶ = 6387625009 is a prime.

It is not a weakly prime, because it can be changed into another prime (6387625063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193812536 + 3193812537.

It is an arithmetic number, because the mean of its divisors is an integer number (3193812537).

Almost surely, 2^6387625073 is an apocalyptic number.

It is an amenable number.

6387625073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6387625073 is an equidigital number, since it uses as much as digits as its factorization.

6387625073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 6387625073 is about 79922.6192826536. The cubic root of 6387625073 is about 1855.4381087780.

The spelling of 6387625073 in words is "six billion, three hundred eighty-seven million, six hundred twenty-five thousand, seventy-three".