45505045427 has 2 divisors, whose sum is σ = 45505045428. Its totient is φ = 45505045426.

The previous prime is 45505045423. The next prime is 45505045489. The reversal of 45505045427 is 72454050554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45505045427 - 2² = 45505045423 is a prime.

It is a super-2 number, since 2×45505045427² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45505045423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752522713 + 22752522714.

It is an arithmetic number, because the mean of its divisors is an integer number (22752522714).

Almost surely, 2^45505045427 is an apocalyptic number.

45505045427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505045427 is an equidigital number, since it uses as much as digits as its factorization.

45505045427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560000, while the sum is 41.

The spelling of 45505045427 in words is "forty-five billion, five hundred five million, forty-five thousand, four hundred twenty-seven".