1591652747941 has 2 divisors, whose sum is σ = 1591652747942. Its totient is φ = 1591652747940.

The previous prime is 1591652747897. The next prime is 1591652747953. The reversal of 1591652747941 is 1497472561951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114660850625 + 476991897316 = 1055775^2 + 690646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1591652747941 - 2⁹ = 1591652747429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1591652747941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1591652757941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795826373970 + 795826373971.

It is an arithmetic number, because the mean of its divisors is an integer number (795826373971).

Almost surely, 2^{1591652747941} is an apocalyptic number.

It is an amenable number.

1591652747941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1591652747941 is an equidigital number, since it uses as much as digits as its factorization.

1591652747941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 61.

The spelling of 1591652747941 in words is "one trillion, five hundred ninety-one billion, six hundred fifty-two million, seven hundred forty-seven thousand, nine hundred forty-one".