798901091519 has 4 divisors (see below), whose sum is σ = 807137185344. Its totient is φ = 790664997696.

The previous prime is 798901091509. The next prime is 798901091717. The reversal of 798901091519 is 915190109897.

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

It is a cyclic number.

It is not a de Polignac number, because 798901091519 - 2⁴ = 798901091503 is a prime.

It is a super-2 number, since 2×798901091519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798901091509) 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, 4118046767 + ... + 4118046960.

It is an arithmetic number, because the mean of its divisors is an integer number (201784296336).

Almost surely, 2^798901091519 is an apocalyptic number.

798901091519 is a deficient number, since it is larger than the sum of its proper divisors (8236093825).

798901091519 is an equidigital number, since it uses as much as digits as its factorization.

798901091519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236093824.

The product of its (nonzero) digits is 1837080, while the sum is 59.

The spelling of 798901091519 in words is "seven hundred ninety-eight billion, nine hundred one million, ninety-one thousand, five hundred nineteen".