19241317057 has 4 divisors (see below), whose sum is σ = 19862004736. Its totient is φ = 18620629380.

The previous prime is 19241317049. The next prime is 19241317063. The reversal of 19241317057 is 75071314291.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19241317057 - 2³ = 19241317049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19241347057) 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, 310343793 + ... + 310343854.

It is an arithmetic number, because the mean of its divisors is an integer number (4965501184).

Almost surely, 2^19241317057 is an apocalyptic number.

It is an amenable number.

19241317057 is a deficient number, since it is larger than the sum of its proper divisors (620687679).

19241317057 is an equidigital number, since it uses as much as digits as its factorization.

19241317057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620687678.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 19241317057 in words is "nineteen billion, two hundred forty-one million, three hundred seventeen thousand, fifty-seven".