19374471364 has 12 divisors (see below), whose sum is σ = 34001376444. Its totient is φ = 9659792384.

The previous prime is 19374471359. The next prime is 19374471373. The reversal of 19374471364 is 46317447391.

It can be written as a sum of positive squares in 2 ways, for example, as 15695078400 + 3679392964 = 125280^2 + 60658^2 .

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, 6859237 + ... + 6862060.

It is an arithmetic number, because the mean of its divisors is an integer number (2833448037).

Almost surely, 2^19374471364 is an apocalyptic number.

It is an amenable number.

19374471364 is a deficient number, since it is larger than the sum of its proper divisors (14626905080).

19374471364 is a wasteful number, since it uses less digits than its factorization.

19374471364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13721654 (or 13721652 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The spelling of 19374471364 in words is "nineteen billion, three hundred seventy-four million, four hundred seventy-one thousand, three hundred sixty-four".