18464970941 has 4 divisors (see below), whose sum is σ = 18466322112. Its totient is φ = 18463619772.

The previous prime is 18464970893. The next prime is 18464970959. The reversal of 18464970941 is 14907946481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14907946481 = 59 ⋅252677059.

It is a cyclic number.

It is not a de Polignac number, because 18464970941 - 2⁶ = 18464970877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18464970961) 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, 654875 + ... + 682488.

It is an arithmetic number, because the mean of its divisors is an integer number (4616580528).

Almost surely, 2^18464970941 is an apocalyptic number.

It is an amenable number.

18464970941 is a deficient number, since it is larger than the sum of its proper divisors (1351171).

18464970941 is a wasteful number, since it uses less digits than its factorization.

18464970941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351170.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 18464970941 in words is "eighteen billion, four hundred sixty-four million, nine hundred seventy thousand, nine hundred forty-one".