372638083409 has 2 divisors, whose sum is σ = 372638083410. Its totient is φ = 372638083408.

The previous prime is 372638083397. The next prime is 372638083451. The reversal of 372638083409 is 904380836273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371124640000 + 1513443409 = 609200^2 + 38903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372638083409 is a prime.

It is a super-2 number, since 2×372638083409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (372638083459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186319041704 + 186319041705.

It is an arithmetic number, because the mean of its divisors is an integer number (186319041705).

Almost surely, 2^372638083409 is an apocalyptic number.

It is an amenable number.

372638083409 is a deficient number, since it is larger than the sum of its proper divisors (1).

372638083409 is an equidigital number, since it uses as much as digits as its factorization.

372638083409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 372638083409 in words is "three hundred seventy-two billion, six hundred thirty-eight million, eighty-three thousand, four hundred nine".