919419608425 has 6 divisors (see below), whose sum is σ = 1140080314478. Its totient is φ = 735535686720.

The previous prime is 919419608413. The next prime is 919419608453. The reversal of 919419608425 is 524806914919.

It can be written as a sum of positive squares in 3 ways, for example, as 4406835456 + 915012772969 = 66384^2 + 956563^2 .

It is not a de Polignac number, because 919419608425 - 2¹¹ = 919419606377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 919419608425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18388392144 + ... + 18388392193.

Almost surely, 2^919419608425 is an apocalyptic number.

It is an amenable number.

919419608425 is a deficient number, since it is larger than the sum of its proper divisors (220660706053).

919419608425 is a wasteful number, since it uses less digits than its factorization.

919419608425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36776784347 (or 36776784342 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 919419608425 in words is "nine hundred nineteen billion, four hundred nineteen million, six hundred eight thousand, four hundred twenty-five".