244670037421 has 2 divisors, whose sum is σ = 244670037422. Its totient is φ = 244670037420.

The previous prime is 244670037383. The next prime is 244670037427. The reversal of 244670037421 is 124730076442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230889860100 + 13780177321 = 480510^2 + 117389^2 .

It is a cyclic number.

It is not a de Polignac number, because 244670037421 - 2¹³ = 244670029229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244670037427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122335018710 + 122335018711.

It is an arithmetic number, because the mean of its divisors is an integer number (122335018711).

Almost surely, 2^244670037421 is an apocalyptic number.

It is an amenable number.

244670037421 is a deficient number, since it is larger than the sum of its proper divisors (1).

244670037421 is an equidigital number, since it uses as much as digits as its factorization.

244670037421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 244670037421 in words is "two hundred forty-four billion, six hundred seventy million, thirty-seven thousand, four hundred twenty-one".