6353426381 has 2 divisors, whose sum is σ = 6353426382. Its totient is φ = 6353426380.

The previous prime is 6353426363. The next prime is 6353426389. The reversal of 6353426381 is 1836243536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3487965481 + 2865460900 = 59059^2 + 53530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6353426381 is a prime.

It is a super-2 number, since 2×6353426381² = 80732053557573514322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6353426389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176713190 + 3176713191.

It is an arithmetic number, because the mean of its divisors is an integer number (3176713191).

Almost surely, 2^6353426381 is an apocalyptic number.

It is an amenable number.

6353426381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6353426381 is an equidigital number, since it uses as much as digits as its factorization.

6353426381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 6353426381 is about 79708.3833796672. The cubic root of 6353426381 is about 1852.1209063751.

The spelling of 6353426381 in words is "six billion, three hundred fifty-three million, four hundred twenty-six thousand, three hundred eighty-one".