45402813439 has 2 divisors, whose sum is σ = 45402813440. Its totient is φ = 45402813438.

The previous prime is 45402813431. The next prime is 45402813451. The reversal of 45402813439 is 93431820454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45402813439 - 2³ = 45402813431 is a prime.

It is a super-2 number, since 2×45402813439² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45402813395 and 45402813404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45402813431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701406719 + 22701406720.

It is an arithmetic number, because the mean of its divisors is an integer number (22701406720).

Almost surely, 2^45402813439 is an apocalyptic number.

45402813439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45402813439 is an equidigital number, since it uses as much as digits as its factorization.

45402813439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 45402813439 in words is "forty-five billion, four hundred two million, eight hundred thirteen thousand, four hundred thirty-nine".