19736698052 has 12 divisors (see below), whose sum is σ = 34881194796. Its totient is φ = 9770642400.

The previous prime is 19736698043. The next prime is 19736698067. The reversal of 19736698052 is 25089663791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9530445376 + 10206252676 = 97624^2 + 101026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24426203 + ... + 24427010.

It is an arithmetic number, because the mean of its divisors is an integer number (2906766233).

Almost surely, 2^19736698052 is an apocalyptic number.

It is an amenable number.

19736698052 is a deficient number, since it is larger than the sum of its proper divisors (15144496744).

19736698052 is a wasteful number, since it uses less digits than its factorization.

19736698052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48853318 (or 48853316 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 19736698052 in words is "nineteen billion, seven hundred thirty-six million, six hundred ninety-eight thousand, fifty-two".