953381534381 has 2 divisors, whose sum is σ = 953381534382. Its totient is φ = 953381534380.

The previous prime is 953381534233. The next prime is 953381534383. The reversal of 953381534381 is 183435183359.

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., 951395406025 + 1986128356 = 975395^2 + 44566^2 .

It is a cyclic number.

It is not a de Polignac number, because 953381534381 - 2³⁴ = 936201665197 is a prime.

It is a super-2 number, since 2×953381534381² (a number of 25 digits) contains 22 as substring.

Together with 953381534383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (953381534383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476690767190 + 476690767191.

It is an arithmetic number, because the mean of its divisors is an integer number (476690767191).

Almost surely, 2^953381534381 is an apocalyptic number.

It is an amenable number.

953381534381 is a deficient number, since it is larger than the sum of its proper divisors (1).

953381534381 is an equidigital number, since it uses as much as digits as its factorization.

953381534381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 53.

The spelling of 953381534381 in words is "nine hundred fifty-three billion, three hundred eighty-one million, five hundred thirty-four thousand, three hundred eighty-one".