19739072926 has 16 divisors (see below), whose sum is σ = 31131796608. Its totient is φ = 9368359000.

The previous prime is 19739072869. The next prime is 19739072989. The reversal of 19739072926 is 62927093791.

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, 1631800 + ... + 1643851.

It is an arithmetic number, because the mean of its divisors is an integer number (1945737288).

Almost surely, 2^19739072926 is an apocalyptic number.

19739072926 is a deficient number, since it is larger than the sum of its proper divisors (11392723682).

19739072926 is a wasteful number, since it uses less digits than its factorization.

19739072926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275807.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 19739072926 in words is "nineteen billion, seven hundred thirty-nine million, seventy-two thousand, nine hundred twenty-six".