761409419 has 2 divisors, whose sum is σ = 761409420. Its totient is φ = 761409418.

The previous prime is 761409391. The next prime is 761409433. The reversal of 761409419 is 914904167.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761409419 is a prime.

It is a super-2 number, since 2×761409419² = 1159488606683835122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (761409449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380704709 + 380704710.

It is an arithmetic number, because the mean of its divisors is an integer number (380704710).

Almost surely, 2^761409419 is an apocalyptic number.

761409419 is a deficient number, since it is larger than the sum of its proper divisors (1).

761409419 is an equidigital number, since it uses as much as digits as its factorization.

761409419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 761409419 is about 27593.6481640250. The cubic root of 761409419 is about 913.1443051745.

The spelling of 761409419 in words is "seven hundred sixty-one million, four hundred nine thousand, four hundred nineteen".