919883357413 has 4 divisors (see below), whose sum is σ = 928322654380. Its totient is φ = 911444060448.

The previous prime is 919883357401. The next prime is 919883357423. The reversal of 919883357413 is 314753388919.

It is a happy number.

919883357413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790137876609 + 129745480804 = 888897^2 + 360202^2 .

It is a cyclic number.

It is not a de Polignac number, because 919883357413 - 2³³ = 911293422821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919883357423) 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, 4219648320 + ... + 4219648537.

It is an arithmetic number, because the mean of its divisors is an integer number (232080663595).

Almost surely, 2^919883357413 is an apocalyptic number.

It is an amenable number.

919883357413 is a deficient number, since it is larger than the sum of its proper divisors (8439296967).

919883357413 is a wasteful number, since it uses less digits than its factorization.

919883357413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439296966.

The product of its digits is 19595520, while the sum is 61.

The spelling of 919883357413 in words is "nine hundred nineteen billion, eight hundred eighty-three million, three hundred fifty-seven thousand, four hundred thirteen".