37668617053 has 2 divisors, whose sum is σ = 37668617054. Its totient is φ = 37668617052.

The previous prime is 37668616969. The next prime is 37668617059. The reversal of 37668617053 is 35071686673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36077963364 + 1590653689 = 189942^2 + 39883^2 .

It is a cyclic number.

It is not a de Polignac number, because 37668617053 - 2²¹ = 37666519901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37668617059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18834308526 + 18834308527.

It is an arithmetic number, because the mean of its divisors is an integer number (18834308527).

Almost surely, 2^37668617053 is an apocalyptic number.

It is an amenable number.

37668617053 is a deficient number, since it is larger than the sum of its proper divisors (1).

37668617053 is an equidigital number, since it uses as much as digits as its factorization.

37668617053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 37668617053 in words is "thirty-seven billion, six hundred sixty-eight million, six hundred seventeen thousand, fifty-three".