344996224621 has 2 divisors, whose sum is σ = 344996224622. Its totient is φ = 344996224620.

The previous prime is 344996224591. The next prime is 344996224667. The reversal of 344996224621 is 126422699443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287093427721 + 57902796900 = 535811^2 + 240630^2 .

It is a cyclic number.

It is not a de Polignac number, because 344996224621 - 2¹³ = 344996216429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344996224681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172498112310 + 172498112311.

It is an arithmetic number, because the mean of its divisors is an integer number (172498112311).

Almost surely, 2^344996224621 is an apocalyptic number.

It is an amenable number.

344996224621 is a deficient number, since it is larger than the sum of its proper divisors (1).

344996224621 is an equidigital number, since it uses as much as digits as its factorization.

344996224621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 52.

The spelling of 344996224621 in words is "three hundred forty-four billion, nine hundred ninety-six million, two hundred twenty-four thousand, six hundred twenty-one".