18952708909 has 8 divisors (see below), whose sum is σ = 19041516000. Its totient is φ = 18863954832.

The previous prime is 18952708903. The next prime is 18952708933. The reversal of 18952708909 is 90980725981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18952708909 - 2²⁵ = 18919154477 is a prime.

It is a super-3 number, since 3×18952708909³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18952708903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826602 + ... + 849220.

It is an arithmetic number, because the mean of its divisors is an integer number (2380189500).

Almost surely, 2^18952708909 is an apocalyptic number.

It is an amenable number.

18952708909 is a deficient number, since it is larger than the sum of its proper divisors (88807091).

18952708909 is a wasteful number, since it uses less digits than its factorization.

18952708909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26507.

The product of its (nonzero) digits is 3265920, while the sum is 58.

The spelling of 18952708909 in words is "eighteen billion, nine hundred fifty-two million, seven hundred eight thousand, nine hundred nine".