44213643497 has 2 divisors, whose sum is σ = 44213643498. Its totient is φ = 44213643496.

The previous prime is 44213643457. The next prime is 44213643527. The reversal of 44213643497 is 79434631244.

44213643497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38182723216 + 6030920281 = 195404^2 + 77659^2 .

It is a cyclic number.

It is not a de Polignac number, because 44213643497 - 2¹⁴ = 44213627113 is a prime.

It is not a weakly prime, because it can be changed into another prime (44213643407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106821748 + 22106821749.

It is an arithmetic number, because the mean of its divisors is an integer number (22106821749).

Almost surely, 2^44213643497 is an apocalyptic number.

It is an amenable number.

44213643497 is a deficient number, since it is larger than the sum of its proper divisors (1).

44213643497 is an equidigital number, since it uses as much as digits as its factorization.

44213643497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 47.

The spelling of 44213643497 in words is "forty-four billion, two hundred thirteen million, six hundred forty-three thousand, four hundred ninety-seven".