18960262487 has 2 divisors, whose sum is σ = 18960262488. Its totient is φ = 18960262486.

The previous prime is 18960262459. The next prime is 18960262511. The reversal of 18960262487 is 78426206981.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18960262487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18960262417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9480131243 + 9480131244.

It is an arithmetic number, because the mean of its divisors is an integer number (9480131244).

Almost surely, 2^18960262487 is an apocalyptic number.

18960262487 is a deficient number, since it is larger than the sum of its proper divisors (1).

18960262487 is an equidigital number, since it uses as much as digits as its factorization.

18960262487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 18960262487 in words is "eighteen billion, nine hundred sixty million, two hundred sixty-two thousand, four hundred eighty-seven".