45919251915 has 32 divisors (see below), whose sum is σ = 73929985536. Its totient is φ = 24337635840.

The previous prime is 45919251901. The next prime is 45919251929. The reversal of 45919251915 is 51915291954.

It is an interprime number because it is at equal distance from previous prime (45919251901) and next prime (45919251929).

It is not a de Polignac number, because 45919251915 - 2⁵ = 45919251883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747464 + ... + 1773546.

It is an arithmetic number, because the mean of its divisors is an integer number (2310312048).

Almost surely, 2^45919251915 is an apocalyptic number.

45919251915 is a deficient number, since it is larger than the sum of its proper divisors (28010733621).

45919251915 is a wasteful number, since it uses less digits than its factorization.

45919251915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26819.

The product of its digits is 729000, while the sum is 51.

The spelling of 45919251915 in words is "forty-five billion, nine hundred nineteen million, two hundred fifty-one thousand, nine hundred fifteen".