45709255619 has 4 divisors (see below), whose sum is σ = 46944640944. Its totient is φ = 44473870296.

The previous prime is 45709255589. The next prime is 45709255633. The reversal of 45709255619 is 91655290754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91655290754 = 2 ⋅45827645377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45709255619 is a prime.

It is a super-2 number, since 2×45709255619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45709255639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617692607 + ... + 617692680.

It is an arithmetic number, because the mean of its divisors is an integer number (11736160236).

Almost surely, 2^45709255619 is an apocalyptic number.

45709255619 is a deficient number, since it is larger than the sum of its proper divisors (1235385325).

45709255619 is a wasteful number, since it uses less digits than its factorization.

45709255619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235385324.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 45709255619 in words is "forty-five billion, seven hundred nine million, two hundred fifty-five thousand, six hundred nineteen".