37676126821 has 2 divisors, whose sum is σ = 37676126822. Its totient is φ = 37676126820.

The previous prime is 37676126809. The next prime is 37676126827. The reversal of 37676126821 is 12862167673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21979545025 + 15696581796 = 148255^2 + 125286^2 .

It is a cyclic number.

It is not a de Polignac number, because 37676126821 - 2²¹ = 37674029669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37676126827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18838063410 + 18838063411.

It is an arithmetic number, because the mean of its divisors is an integer number (18838063411).

Almost surely, 2^37676126821 is an apocalyptic number.

It is an amenable number.

37676126821 is a deficient number, since it is larger than the sum of its proper divisors (1).

37676126821 is an equidigital number, since it uses as much as digits as its factorization.

37676126821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The spelling of 37676126821 in words is "thirty-seven billion, six hundred seventy-six million, one hundred twenty-six thousand, eight hundred twenty-one".