19243352954 has 32 divisors (see below), whose sum is σ = 33373845120. Its totient is φ = 8151072768.

The previous prime is 19243352899. The next prime is 19243352957. The reversal of 19243352954 is 45925334291.

It is a super-2 number, since 2×19243352954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19243352899 and 19243352908.

It is not an unprimeable number, because it can be changed into a prime (19243352957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035089 + ... + 1053515.

It is an arithmetic number, because the mean of its divisors is an integer number (1042932660).

Almost surely, 2^19243352954 is an apocalyptic number.

19243352954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19243352954 is a deficient number, since it is larger than the sum of its proper divisors (14130492166).

19243352954 is a wasteful number, since it uses less digits than its factorization.

19243352954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19302.

The product of its digits is 1166400, while the sum is 47.

The spelling of 19243352954 in words is "nineteen billion, two hundred forty-three million, three hundred fifty-two thousand, nine hundred fifty-four".