19464912430 has 32 divisors (see below), whose sum is σ = 35653517280. Its totient is φ = 7649095680.

The previous prime is 19464912421. The next prime is 19464912503. The reversal of 19464912430 is 3421946491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991510 + ... + 1010950.

It is an arithmetic number, because the mean of its divisors is an integer number (1114172415).

Almost surely, 2^19464912430 is an apocalyptic number.

19464912430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19464912430 is a deficient number, since it is larger than the sum of its proper divisors (16188604850).

19464912430 is a wasteful number, since it uses less digits than its factorization.

19464912430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 19464912430 in words is "nineteen billion, four hundred sixty-four million, nine hundred twelve thousand, four hundred thirty".