18960262465 has 4 divisors (see below), whose sum is σ = 22752314964. Its totient is φ = 15168209968.

The previous prime is 18960262459. The next prime is 18960262487. The reversal of 18960262465 is 56426206981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56426206981 = 23 ⋅2453313347.

It can be written as a sum of positive squares in 2 ways, for example, as 3063843904 + 15896418561 = 55352^2 + 126081^2 .

It is a cyclic number.

It is not a de Polignac number, because 18960262465 - 2³ = 18960262457 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896026242 + ... + 1896026251.

It is an arithmetic number, because the mean of its divisors is an integer number (5688078741).

Almost surely, 2^18960262465 is an apocalyptic number.

It is an amenable number.

18960262465 is a deficient number, since it is larger than the sum of its proper divisors (3792052499).

18960262465 is an equidigital number, since it uses as much as digits as its factorization.

18960262465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792052498.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 18960262465 in words is "eighteen billion, nine hundred sixty million, two hundred sixty-two thousand, four hundred sixty-five".