45214639643 has 2 divisors, whose sum is σ = 45214639644. Its totient is φ = 45214639642.

The previous prime is 45214639627. The next prime is 45214639667. The reversal of 45214639643 is 34693641254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45214639643 - 2⁴ = 45214639627 is a prime.

It is not a weakly prime, because it can be changed into another prime (45214629643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22607319821 + 22607319822.

It is an arithmetic number, because the mean of its divisors is an integer number (22607319822).

Almost surely, 2^45214639643 is an apocalyptic number.

45214639643 is a deficient number, since it is larger than the sum of its proper divisors (1).

45214639643 is an equidigital number, since it uses as much as digits as its factorization.

45214639643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 47.

The spelling of 45214639643 in words is "forty-five billion, two hundred fourteen million, six hundred thirty-nine thousand, six hundred forty-three".