19790379476 has 24 divisors (see below), whose sum is σ = 39583736640. Its totient is φ = 8480953152.

The previous prime is 19790379431. The next prime is 19790379487. The reversal of 19790379476 is 67497309791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727496 + ... + 754208.

It is an arithmetic number, because the mean of its divisors is an integer number (1649322360).

Almost surely, 2^19790379476 is an apocalyptic number.

It is an amenable number.

19790379476 is an abundant number, since it is smaller than the sum of its proper divisors (19793357164).

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

19790379476 is a wasteful number, since it uses less digits than its factorization.

19790379476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183 (or 53181 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 62.

The spelling of 19790379476 in words is "nineteen billion, seven hundred ninety million, three hundred seventy-nine thousand, four hundred seventy-six".