19953049462 has 16 divisors (see below), whose sum is σ = 31538139840. Its totient is φ = 9441447048.

The previous prime is 19953049453. The next prime is 19953049499. The reversal of 19953049462 is 26494035991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241248 + ... + 313219.

It is an arithmetic number, because the mean of its divisors is an integer number (1971133740).

Almost surely, 2^19953049462 is an apocalyptic number.

19953049462 is a deficient number, since it is larger than the sum of its proper divisors (11585090378).

19953049462 is a wasteful number, since it uses less digits than its factorization.

19953049462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555435.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 19953049462 in words is "nineteen billion, nine hundred fifty-three million, forty-nine thousand, four hundred sixty-two".