37263004921 has 2 divisors, whose sum is σ = 37263004922. Its totient is φ = 37263004920.

The previous prime is 37263004861. The next prime is 37263004931. The reversal of 37263004921 is 12940036273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33136741225 + 4126263696 = 182035^2 + 64236^2 .

It is a cyclic number.

It is not a de Polignac number, because 37263004921 - 2⁹ = 37263004409 is a prime.

It is not a weakly prime, because it can be changed into another prime (37263004931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18631502460 + 18631502461.

It is an arithmetic number, because the mean of its divisors is an integer number (18631502461).

Almost surely, 2^37263004921 is an apocalyptic number.

It is an amenable number.

37263004921 is a deficient number, since it is larger than the sum of its proper divisors (1).

37263004921 is an equidigital number, since it uses as much as digits as its factorization.

37263004921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 37263004921 in words is "thirty-seven billion, two hundred sixty-three million, four thousand, nine hundred twenty-one".