45020534639 has 2 divisors, whose sum is σ = 45020534640. Its totient is φ = 45020534638.

The previous prime is 45020534621. The next prime is 45020534653. The reversal of 45020534639 is 93643502054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45020534639 - 2¹² = 45020530543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45020534596 and 45020534605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45020533639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510267319 + 22510267320.

It is an arithmetic number, because the mean of its divisors is an integer number (22510267320).

Almost surely, 2^45020534639 is an apocalyptic number.

45020534639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020534639 is an equidigital number, since it uses as much as digits as its factorization.

45020534639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 45020534639 in words is "forty-five billion, twenty million, five hundred thirty-four thousand, six hundred thirty-nine".