37353083021 has 2 divisors, whose sum is σ = 37353083022. Its totient is φ = 37353083020.

The previous prime is 37353082999. The next prime is 37353083023. The reversal of 37353083021 is 12038035373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35188507396 + 2164575625 = 187586^2 + 46525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37353083021 is a prime.

It is a super-2 number, since 2×37353083021² (a number of 22 digits) contains 22 as substring.

Together with 37353083023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37353083023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18676541510 + 18676541511.

It is an arithmetic number, because the mean of its divisors is an integer number (18676541511).

Almost surely, 2^37353083021 is an apocalyptic number.

It is an amenable number.

37353083021 is a deficient number, since it is larger than the sum of its proper divisors (1).

37353083021 is an equidigital number, since it uses as much as digits as its factorization.

37353083021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 37353083021 in words is "thirty-seven billion, three hundred fifty-three million, eighty-three thousand, twenty-one".