19952754508 has 6 divisors (see below), whose sum is σ = 34917320396. Its totient is φ = 9976377252.

The previous prime is 19952754491. The next prime is 19952754529. The reversal of 19952754508 is 80545725991.

It is a super-2 number, since 2×19952754508² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494094310 + ... + 2494094317.

Almost surely, 2^19952754508 is an apocalyptic number.

It is an amenable number.

19952754508 is a deficient number, since it is larger than the sum of its proper divisors (14964565888).

19952754508 is a wasteful number, since it uses less digits than its factorization.

19952754508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988188631 (or 4988188629 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 19952754508 in words is "nineteen billion, nine hundred fifty-two million, seven hundred fifty-four thousand, five hundred eight".