1591652757941 has 2 divisors, whose sum is σ = 1591652757942. Its totient is φ = 1591652757940.

The previous prime is 1591652757869. The next prime is 1591652757967. The reversal of 1591652757941 is 1497572561951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1435872561841 + 155780196100 = 1198279^2 + 394690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1591652757941 - 2²⁶ = 1591585649077 is a prime.

It is a super-2 number, since 2×1591652757941² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1591652757341) 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, 795826378970 + 795826378971.

It is an arithmetic number, because the mean of its divisors is an integer number (795826378971).

Almost surely, 2^{1591652757941} is an apocalyptic number.

It is an amenable number.

1591652757941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1591652757941 is an equidigital number, since it uses as much as digits as its factorization.

1591652757941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814000, while the sum is 62.

The spelling of 1591652757941 in words is "one trillion, five hundred ninety-one billion, six hundred fifty-two million, seven hundred fifty-seven thousand, nine hundred forty-one".