45501857839 has 2 divisors, whose sum is σ = 45501857840. Its totient is φ = 45501857838.

The previous prime is 45501857783. The next prime is 45501857879. The reversal of 45501857839 is 93875810554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45501857839 - 2⁷ = 45501857711 is a prime.

It is a super-3 number, since 3×45501857839³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45501857839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45501857879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22750928919 + 22750928920.

It is an arithmetic number, because the mean of its divisors is an integer number (22750928920).

Almost surely, 2^45501857839 is an apocalyptic number.

45501857839 is a deficient number, since it is larger than the sum of its proper divisors (1).

45501857839 is an equidigital number, since it uses as much as digits as its factorization.

45501857839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 45501857839 in words is "forty-five billion, five hundred one million, eight hundred fifty-seven thousand, eight hundred thirty-nine".