769138199 has 2 divisors, whose sum is σ = 769138200. Its totient is φ = 769138198.

The previous prime is 769138189. The next prime is 769138211. The reversal of 769138199 is 991831967.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769138199 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 769138199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769138109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384569099 + 384569100.

It is an arithmetic number, because the mean of its divisors is an integer number (384569100).

Almost surely, 2^769138199 is an apocalyptic number.

769138199 is a deficient number, since it is larger than the sum of its proper divisors (1).

769138199 is an equidigital number, since it uses as much as digits as its factorization.

769138199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 769138199 is about 27733.3409274829. The cubic root of 769138199 is about 916.2235709467.

The spelling of 769138199 in words is "seven hundred sixty-nine million, one hundred thirty-eight thousand, one hundred ninety-nine".