769242189194 has 4 divisors (see below), whose sum is σ = 1153863283794. Its totient is φ = 384621094596.

The previous prime is 769242189187. The next prime is 769242189217. The reversal of 769242189194 is 491981242967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491981242967 = 1019 ⋅482807893.

It can be written as a sum of positive squares in only one way, i.e., 470956905169 + 298285284025 = 686263^2 + 546155^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192310547297 + ... + 192310547300.

Almost surely, 2^769242189194 is an apocalyptic number.

769242189194 is a deficient number, since it is larger than the sum of its proper divisors (384621094600).

769242189194 is a wasteful number, since it uses less digits than its factorization.

769242189194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384621094599.

The product of its digits is 15676416, while the sum is 62.

The spelling of 769242189194 in words is "seven hundred sixty-nine billion, two hundred forty-two million, one hundred eighty-nine thousand, one hundred ninety-four".