743619361 has 2 divisors, whose sum is σ = 743619362. Its totient is φ = 743619360.

The previous prime is 743619347. The next prime is 743619367. The reversal of 743619361 is 163916347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716579361 + 27040000 = 26769^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 743619361 - 2⁵ = 743619329 is a prime.

It is not a weakly prime, because it can be changed into another prime (743619367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371809680 + 371809681.

It is an arithmetic number, because the mean of its divisors is an integer number (371809681).

Almost surely, 2^743619361 is an apocalyptic number.

It is an amenable number.

743619361 is a deficient number, since it is larger than the sum of its proper divisors (1).

743619361 is an equidigital number, since it uses as much as digits as its factorization.

743619361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 743619361 is about 27269.3850499053. The cubic root of 743619361 is about 905.9764238286.

The spelling of 743619361 in words is "seven hundred forty-three million, six hundred nineteen thousand, three hundred sixty-one".