19796343970 has 24 divisors (see below), whose sum is σ = 38585303316. Its totient is φ = 7309418688.

The previous prime is 19796343967. The next prime is 19796343977. The reversal of 19796343970 is 7934369791.

It can be written as a sum of positive squares in 6 ways, for example, as 300086329 + 19496257641 = 17323^2 + 139629^2 .

It is not an unprimeable number, because it can be changed into a prime (19796343977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5855217 + ... + 5858596.

Almost surely, 2^19796343970 is an apocalyptic number.

19796343970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19796343970 is a deficient number, since it is larger than the sum of its proper divisors (18788959346).

19796343970 is a wasteful number, since it uses less digits than its factorization.

19796343970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11713846 (or 11713833 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 58.

The spelling of 19796343970 in words is "nineteen billion, seven hundred ninety-six million, three hundred forty-three thousand, nine hundred seventy".