769242189187 has 2 divisors, whose sum is σ = 769242189188. Its totient is φ = 769242189186.

The previous prime is 769242189143. The next prime is 769242189217. The reversal of 769242189187 is 781981242967.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769242189187 is a prime.

It is not a weakly prime, because it can be changed into another prime (769242189137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384621094593 + 384621094594.

It is an arithmetic number, because the mean of its divisors is an integer number (384621094594).

Almost surely, 2^769242189187 is an apocalyptic number.

769242189187 is a deficient number, since it is larger than the sum of its proper divisors (1).

769242189187 is an equidigital number, since it uses as much as digits as its factorization.

769242189187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 64.

The spelling of 769242189187 in words is "seven hundred sixty-nine billion, two hundred forty-two million, one hundred eighty-nine thousand, one hundred eighty-seven".