354444303637 has 2 divisors, whose sum is σ = 354444303638. Its totient is φ = 354444303636.

The previous prime is 354444303613. The next prime is 354444303671. The reversal of 354444303637 is 736303444453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197343846756 + 157100456881 = 444234^2 + 396359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354444303637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354444303337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222151818 + 177222151819.

It is an arithmetic number, because the mean of its divisors is an integer number (177222151819).

Almost surely, 2^354444303637 is an apocalyptic number.

It is an amenable number.

354444303637 is a deficient number, since it is larger than the sum of its proper divisors (1).

354444303637 is an equidigital number, since it uses as much as digits as its factorization.

354444303637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 46.

The spelling of 354444303637 in words is "three hundred fifty-four billion, four hundred forty-four million, three hundred three thousand, six hundred thirty-seven".