761427832909 has 2 divisors, whose sum is σ = 761427832910. Its totient is φ = 761427832908.

The previous prime is 761427832889. The next prime is 761427832927. The reversal of 761427832909 is 909238724167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760820062500 + 607770409 = 872250^2 + 24653^2 .

It is a cyclic number.

It is not a de Polignac number, because 761427832909 - 2⁵ = 761427832877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761427832409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380713916454 + 380713916455.

It is an arithmetic number, because the mean of its divisors is an integer number (380713916455).

Almost surely, 2^761427832909 is an apocalyptic number.

It is an amenable number.

761427832909 is a deficient number, since it is larger than the sum of its proper divisors (1).

761427832909 is an equidigital number, since it uses as much as digits as its factorization.

761427832909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 761427832909 in words is "seven hundred sixty-one billion, four hundred twenty-seven million, eight hundred thirty-two thousand, nine hundred nine".