37338152561 has 2 divisors, whose sum is σ = 37338152562. Its totient is φ = 37338152560.

The previous prime is 37338152557. The next prime is 37338152563. The reversal of 37338152561 is 16525183373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26445264400 + 10892888161 = 162620^2 + 104369^2 .

It is a cyclic number.

It is not a de Polignac number, because 37338152561 - 2² = 37338152557 is a prime.

Together with 37338152563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37338152563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18669076280 + 18669076281.

It is an arithmetic number, because the mean of its divisors is an integer number (18669076281).

Almost surely, 2^37338152561 is an apocalyptic number.

It is an amenable number.

37338152561 is a deficient number, since it is larger than the sum of its proper divisors (1).

37338152561 is an equidigital number, since it uses as much as digits as its factorization.

37338152561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The spelling of 37338152561 in words is "thirty-seven billion, three hundred thirty-eight million, one hundred fifty-two thousand, five hundred sixty-one".