19057843959 has 48 divisors (see below), whose sum is σ = 32266676736. Its totient is φ = 9893923200.

The previous prime is 19057843921. The next prime is 19057843963. The reversal of 19057843959 is 95934875091.

It is not a de Polignac number, because 19057843959 - 2⁸ = 19057843703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19057843919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3685794 + ... + 3690960.

It is an arithmetic number, because the mean of its divisors is an integer number (672222432).

Almost surely, 2^19057843959 is an apocalyptic number.

19057843959 is a deficient number, since it is larger than the sum of its proper divisors (13208832777).

19057843959 is a wasteful number, since it uses less digits than its factorization.

19057843959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 19057843959 in words is "nineteen billion, fifty-seven million, eight hundred forty-three thousand, nine hundred fifty-nine".