20230713761491 has 2 divisors, whose sum is σ = 20230713761492. Its totient is φ = 20230713761490.

The previous prime is 20230713761437. The next prime is 20230713761581. The reversal of 20230713761491 is 19416731703202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20230713761491 - 2³³ = 20222123826899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20230713761591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115356880745 + 10115356880746.

It is an arithmetic number, because the mean of its divisors is an integer number (10115356880746).

Almost surely, 2^{20230713761491} is an apocalyptic number.

20230713761491 is a deficient number, since it is larger than the sum of its proper divisors (1).

20230713761491 is an equidigital number, since it uses as much as digits as its factorization.

20230713761491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 20230713761491 in words is "twenty trillion, two hundred thirty billion, seven hundred thirteen million, seven hundred sixty-one thousand, four hundred ninety-one".