202130444437 has 2 divisors, whose sum is σ = 202130444438. Its totient is φ = 202130444436.

The previous prime is 202130444407. The next prime is 202130444443. The reversal of 202130444437 is 734444031202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195780585841 + 6349858596 = 442471^2 + 79686^2 .

It is a cyclic number.

It is not a de Polignac number, because 202130444437 - 2¹¹ = 202130442389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202130444407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065222218 + 101065222219.

It is an arithmetic number, because the mean of its divisors is an integer number (101065222219).

Almost surely, 2^202130444437 is an apocalyptic number.

It is an amenable number.

202130444437 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130444437 is an equidigital number, since it uses as much as digits as its factorization.

202130444437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 202130444437 its reverse (734444031202), we get a palindrome (936574475639).

The spelling of 202130444437 in words is "two hundred two billion, one hundred thirty million, four hundred forty-four thousand, four hundred thirty-seven".