19464432350 has 48 divisors (see below), whose sum is σ = 39672460800. Its totient is φ = 7046191200.

The previous prime is 19464432349. The next prime is 19464432359. The reversal of 19464432350 is 5323446491.

It is a junction number, because it is equal to n+sod(n) for n = 19464432298 and 19464432307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19464432359) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43301 + ... + 201999.

It is an arithmetic number, because the mean of its divisors is an integer number (826509600).

Almost surely, 2^19464432350 is an apocalyptic number.

19464432350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19464432350 is an abundant number, since it is smaller than the sum of its proper divisors (20208028450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19464432350 is a wasteful number, since it uses less digits than its factorization.

19464432350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158945 (or 158940 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 19464432350 in words is "nineteen billion, four hundred sixty-four million, four hundred thirty-two thousand, three hundred fifty".