919351742408 has 64 divisors (see below), whose sum is σ = 1887672600000. Its totient is φ = 416294502400.

The previous prime is 919351742381. The next prime is 919351742429. The reversal of 919351742408 is 804247153919.

It is a self number, because there is not a number n which added to its sum of digits gives 919351742408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25309043 + ... + 25345341.

It is an arithmetic number, because the mean of its divisors is an integer number (29494884375).

Almost surely, 2^919351742408 is an apocalyptic number.

It is an amenable number.

919351742408 is an abundant number, since it is smaller than the sum of its proper divisors (968320857592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

919351742408 is a wasteful number, since it uses less digits than its factorization.

919351742408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37406 (or 37402 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 919351742408 in words is "nine hundred nineteen billion, three hundred fifty-one million, seven hundred forty-two thousand, four hundred eight".