373403403949 has 2 divisors, whose sum is σ = 373403403950. Its totient is φ = 373403403948.

The previous prime is 373403403937. The next prime is 373403404037. The reversal of 373403403949 is 949304304373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353973831849 + 19429572100 = 594957^2 + 139390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373403403949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373403403749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186701701974 + 186701701975.

It is an arithmetic number, because the mean of its divisors is an integer number (186701701975).

Almost surely, 2^373403403949 is an apocalyptic number.

It is an amenable number.

373403403949 is a deficient number, since it is larger than the sum of its proper divisors (1).

373403403949 is an equidigital number, since it uses as much as digits as its factorization.

373403403949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 49.

The spelling of 373403403949 in words is "three hundred seventy-three billion, four hundred three million, four hundred three thousand, nine hundred forty-nine".