2919912399361 has 4 divisors (see below), whose sum is σ = 2920619575300. Its totient is φ = 2919205223424.

The previous prime is 2919912399359. The next prime is 2919912399421. The reversal of 2919912399361 is 1639932199192.

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 1570086686961 + 1349825712400 = 1253031^2 + 1161820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2919912399361 - 2¹ = 2919912399359 is a prime.

It is a super-2 number, since 2×2919912399361² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2919912399293 and 2919912399302.

It is not an unprimeable number, because it can be changed into a prime (2919912397361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 353581776 + ... + 353590033.

It is an arithmetic number, because the mean of its divisors is an integer number (730154893825).

Almost surely, 2^{2919912399361} is an apocalyptic number.

It is an amenable number.

2919912399361 is a deficient number, since it is larger than the sum of its proper divisors (707175939).

2919912399361 is an equidigital number, since it uses as much as digits as its factorization.

2919912399361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707175938.

The product of its digits is 12754584, while the sum is 64.

The spelling of 2919912399361 in words is "two trillion, nine hundred nineteen billion, nine hundred twelve million, three hundred ninety-nine thousand, three hundred sixty-one".