195262826449 has 2 divisors, whose sum is σ = 195262826450. Its totient is φ = 195262826448.

The previous prime is 195262826417. The next prime is 195262826459. The reversal of 195262826449 is 944628262591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193582400400 + 1680426049 = 439980^2 + 40993^2 .

It is a cyclic number.

It is not a de Polignac number, because 195262826449 - 2⁵ = 195262826417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195262826393 and 195262826402.

It is not a weakly prime, because it can be changed into another prime (195262826459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97631413224 + 97631413225.

It is an arithmetic number, because the mean of its divisors is an integer number (97631413225).

Almost surely, 2^195262826449 is an apocalyptic number.

It is an amenable number.

195262826449 is a deficient number, since it is larger than the sum of its proper divisors (1).

195262826449 is an equidigital number, since it uses as much as digits as its factorization.

195262826449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 58.

The spelling of 195262826449 in words is "one hundred ninety-five billion, two hundred sixty-two million, eight hundred twenty-six thousand, four hundred forty-nine".