18950256901 has 8 divisors (see below), whose sum is σ = 19346221440. Its totient is φ = 18555715152.

The previous prime is 18950256877. The next prime is 18950256937. The reversal of 18950256901 is 10965205981.

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 18950256901 - 2⁹ = 18950256389 is a prime.

It is a super-2 number, since 2×18950256901² (a number of 21 digits) contains 22 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 (18950256701) 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, 328761 + ... + 382078.

It is an arithmetic number, because the mean of its divisors is an integer number (2418277680).

Almost surely, 2^18950256901 is an apocalyptic number.

It is an amenable number.

18950256901 is a deficient number, since it is larger than the sum of its proper divisors (395964539).

18950256901 is an equidigital number, since it uses as much as digits as its factorization.

18950256901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711395.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 18950256901 in words is "eighteen billion, nine hundred fifty million, two hundred fifty-six thousand, nine hundred one".