373247999989 has 2 divisors, whose sum is σ = 373247999990. Its totient is φ = 373247999988.

The previous prime is 373247999977. The next prime is 373248000011. The reversal of 373247999989 is 989999742373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318519140625 + 54728859364 = 564375^2 + 233942^2 .

It is a cyclic number.

It is not a de Polignac number, because 373247999989 - 2¹⁵ = 373247967221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373247999939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186623999994 + 186623999995.

It is an arithmetic number, because the mean of its divisors is an integer number (186623999995).

Almost surely, 2^373247999989 is an apocalyptic number.

It is an amenable number.

373247999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

373247999989 is an equidigital number, since it uses as much as digits as its factorization.

373247999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666598976, while the sum is 79.

The spelling of 373247999989 in words is "three hundred seventy-three billion, two hundred forty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-nine".