37452712421 has 2 divisors, whose sum is σ = 37452712422. Its totient is φ = 37452712420.

The previous prime is 37452712379. The next prime is 37452712441. The reversal of 37452712421 is 12421725473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37436832196 + 15880225 = 193486^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 37452712421 - 2⁶ = 37452712357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37452712441) 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, 18726356210 + 18726356211.

It is an arithmetic number, because the mean of its divisors is an integer number (18726356211).

Almost surely, 2^37452712421 is an apocalyptic number.

It is an amenable number.

37452712421 is a deficient number, since it is larger than the sum of its proper divisors (1).

37452712421 is an equidigital number, since it uses as much as digits as its factorization.

37452712421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The spelling of 37452712421 in words is "thirty-seven billion, four hundred fifty-two million, seven hundred twelve thousand, four hundred twenty-one".