37241274221 has 2 divisors, whose sum is σ = 37241274222. Its totient is φ = 37241274220.

The previous prime is 37241274173. The next prime is 37241274227. The reversal of 37241274221 is 12247214273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18819998596 + 18421275625 = 137186^2 + 135725^2 .

It is a cyclic number.

It is not a de Polignac number, because 37241274221 - 2¹⁰ = 37241273197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37241274227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18620637110 + 18620637111.

It is an arithmetic number, because the mean of its divisors is an integer number (18620637111).

Almost surely, 2^37241274221 is an apocalyptic number.

It is an amenable number.

37241274221 is a deficient number, since it is larger than the sum of its proper divisors (1).

37241274221 is an equidigital number, since it uses as much as digits as its factorization.

37241274221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 35.

Adding to 37241274221 its reverse (12247214273), we get a palindrome (49488488494).

The spelling of 37241274221 in words is "thirty-seven billion, two hundred forty-one million, two hundred seventy-four thousand, two hundred twenty-one".