2031705291593 has 2 divisors, whose sum is σ = 2031705291594. Its totient is φ = 2031705291592.

The previous prime is 2031705291589. The next prime is 2031705291613. The reversal of 2031705291593 is 3951925071302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1716301745929 + 315403545664 = 1310077^2 + 561608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031705291593 - 2² = 2031705291589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2031705291193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015852645796 + 1015852645797.

It is an arithmetic number, because the mean of its divisors is an integer number (1015852645797).

Almost surely, 2^{2031705291593} is an apocalyptic number.

It is an amenable number.

2031705291593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031705291593 is an equidigital number, since it uses as much as digits as its factorization.

2031705291593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 2031705291593 in words is "two trillion, thirty-one billion, seven hundred five million, two hundred ninety-one thousand, five hundred ninety-three".