919252015442 has 16 divisors (see below), whose sum is σ = 1427295759360. Its totient is φ = 443682389808.

The previous prime is 919252015433. The next prime is 919252015511. The reversal of 919252015442 is 244510252919.

It is a junction number, because it is equal to n+sod(n) for n = 919252015393 and 919252015402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48897392 + ... + 48916187.

It is an arithmetic number, because the mean of its divisors is an integer number (89205984960).

Almost surely, 2^919252015442 is an apocalyptic number.

919252015442 is a deficient number, since it is larger than the sum of its proper divisors (508043743918).

919252015442 is a wasteful number, since it uses less digits than its factorization.

919252015442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97813745.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 919252015442 in words is "nine hundred nineteen billion, two hundred fifty-two million, fifteen thousand, four hundred forty-two".