6480045631 has 2 divisors, whose sum is σ = 6480045632. Its totient is φ = 6480045630.

The previous prime is 6480045629. The next prime is 6480045647. The reversal of 6480045631 is 1365400846.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6480045631 - 2¹ = 6480045629 is a prime.

It is a super-2 number, since 2×6480045631² = 83981982759684376322, which contains 22 as substring.

Together with 6480045629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6480075631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240022815 + 3240022816.

It is an arithmetic number, because the mean of its divisors is an integer number (3240022816).

Almost surely, 2^6480045631 is an apocalyptic number.

6480045631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480045631 is an equidigital number, since it uses as much as digits as its factorization.

6480045631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6480045631 is about 80498.7306173209. The cubic root of 6480045631 is about 1864.3438796771.

The spelling of 6480045631 in words is "six billion, four hundred eighty million, forty-five thousand, six hundred thirty-one".