19396952063 has 4 divisors (see below), whose sum is σ = 19398436608. Its totient is φ = 19395467520.

The previous prime is 19396952053. The next prime is 19396952117. The reversal of 19396952063 is 36025969391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19396952063 - 2²⁰ = 19395903487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19396951996 and 19396952014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19396952033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722498 + ... + 748863.

It is an arithmetic number, because the mean of its divisors is an integer number (4849609152).

Almost surely, 2^19396952063 is an apocalyptic number.

19396952063 is a deficient number, since it is larger than the sum of its proper divisors (1484545).

19396952063 is a wasteful number, since it uses less digits than its factorization.

19396952063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484544.

The product of its (nonzero) digits is 2361960, while the sum is 53.

The spelling of 19396952063 in words is "nineteen billion, three hundred ninety-six million, nine hundred fifty-two thousand, sixty-three".