19378467050 has 24 divisors (see below), whose sum is σ = 36047618400. Its totient is φ = 7750597680.

The previous prime is 19378467037. The next prime is 19378467077. The reversal of 19378467050 is 5076487391.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 19378467050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911441 + ... + 932459.

It is an arithmetic number, because the mean of its divisors is an integer number (1501984100).

Almost surely, 2^19378467050 is an apocalyptic number.

19378467050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19378467050 is a deficient number, since it is larger than the sum of its proper divisors (16669151350).

19378467050 is a wasteful number, since it uses less digits than its factorization.

19378467050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39470 (or 39465 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 19378467050 in words is "nineteen billion, three hundred seventy-eight million, four hundred sixty-seven thousand, fifty".