19057343924 has 6 divisors (see below), whose sum is σ = 33350351874. Its totient is φ = 9528671960.

The previous prime is 19057343897. The next prime is 19057343951. The reversal of 19057343924 is 42934375091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19057343897) and next prime (19057343951).

It can be written as a sum of positive squares in only one way, i.e., 18865022500 + 192321424 = 137350^2 + 13868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2382167987 + ... + 2382167994.

It is an arithmetic number, because the mean of its divisors is an integer number (5558391979).

Almost surely, 2^19057343924 is an apocalyptic number.

It is an amenable number.

19057343924 is a deficient number, since it is larger than the sum of its proper divisors (14293007950).

19057343924 is a wasteful number, since it uses less digits than its factorization.

19057343924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764335985 (or 4764335983 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 19057343924 in words is "nineteen billion, fifty-seven million, three hundred forty-three thousand, nine hundred twenty-four".