49221859597 has 2 divisors, whose sum is σ = 49221859598. Its totient is φ = 49221859596.

The previous prime is 49221859559. The next prime is 49221859627. The reversal of 49221859597 is 79595812294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34543567881 + 14678291716 = 185859^2 + 121154^2 .

It is a cyclic number.

It is not a de Polignac number, because 49221859597 - 2³⁵ = 14862121229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49221809597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24610929798 + 24610929799.

It is an arithmetic number, because the mean of its divisors is an integer number (24610929799).

Almost surely, 2^49221859597 is an apocalyptic number.

It is an amenable number.

49221859597 is a deficient number, since it is larger than the sum of its proper divisors (1).

49221859597 is an equidigital number, since it uses as much as digits as its factorization.

49221859597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 61.

The spelling of 49221859597 in words is "forty-nine billion, two hundred twenty-one million, eight hundred fifty-nine thousand, five hundred ninety-seven".