718761941 has 2 divisors, whose sum is σ = 718761942. Its totient is φ = 718761940.

The previous prime is 718761917. The next prime is 718761943. The reversal of 718761941 is 149167817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438902500 + 279859441 = 20950^2 + 16729^2 .

It is a cyclic number.

It is not a de Polignac number, because 718761941 - 2¹⁸ = 718499797 is a prime.

Together with 718761943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 718761892 and 718761901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (718761943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359380970 + 359380971.

It is an arithmetic number, because the mean of its divisors is an integer number (359380971).

Almost surely, 2^718761941 is an apocalyptic number.

It is an amenable number.

718761941 is a deficient number, since it is larger than the sum of its proper divisors (1).

718761941 is an equidigital number, since it uses as much as digits as its factorization.

718761941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 44.

The square root of 718761941 is about 26809.7359367824. The cubic root of 718761941 is about 895.7669283265.

The spelling of 718761941 in words is "seven hundred eighteen million, seven hundred sixty-one thousand, nine hundred forty-one".