202130444491 has 2 divisors, whose sum is σ = 202130444492. Its totient is φ = 202130444490.

The previous prime is 202130444443. The next prime is 202130444501. The reversal of 202130444491 is 194444031202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202130444491 - 2²⁵ = 202096890059 is a prime.

It is not a weakly prime, because it can be changed into another prime (202130444291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065222245 + 101065222246.

It is an arithmetic number, because the mean of its divisors is an integer number (101065222246).

Almost surely, 2^202130444491 is an apocalyptic number.

202130444491 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130444491 is an equidigital number, since it uses as much as digits as its factorization.

202130444491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 202130444491 its reverse (194444031202), we get a palindrome (396574475693).

The spelling of 202130444491 in words is "two hundred two billion, one hundred thirty million, four hundred forty-four thousand, four hundred ninety-one".