744199999999957 has 2 divisors, whose sum is σ = 744199999999958. Its totient is φ = 744199999999956.

The previous prime is 744199999999909. The next prime is 744200000000011. The reversal of 744199999999957 is 759999999991447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737919893831761 + 6280106168196 = 27164681^2 + 2506014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744199999999957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744199994999957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372099999999978 + 372099999999979.

It is an arithmetic number, because the mean of its divisors is an integer number (372099999999979).

Almost surely, 2^{744199999999957} is an apocalyptic number.

It is an amenable number.

744199999999957 is a deficient number, since it is larger than the sum of its proper divisors (1).

744199999999957 is an equidigital number, since it uses as much as digits as its factorization.

744199999999957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1518688316880, while the sum is 109.

The spelling of 744199999999957 in words is "seven hundred forty-four trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-seven".