19385292051 has 24 divisors (see below), whose sum is σ = 29480256000. Its totient is φ = 12241040112.

The previous prime is 19385292029. The next prime is 19385292079. The reversal of 19385292051 is 15029258391.

It is not a de Polignac number, because 19385292051 - 2¹⁴ = 19385275667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19385291988 and 19385292006.

It is not an unprimeable number, because it can be changed into a prime (19385282051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1731610 + ... + 1742768.

It is an arithmetic number, because the mean of its divisors is an integer number (1228344000).

Almost surely, 2^19385292051 is an apocalyptic number.

19385292051 is a deficient number, since it is larger than the sum of its proper divisors (10094963949).

19385292051 is a wasteful number, since it uses less digits than its factorization.

19385292051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343 (or 21340 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 19385292051 in words is "nineteen billion, three hundred eighty-five million, two hundred ninety-two thousand, fifty-one".