153404426081 has 2 divisors, whose sum is σ = 153404426082. Its totient is φ = 153404426080.

The previous prime is 153404426057. The next prime is 153404426083. The reversal of 153404426081 is 180624404351.

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., 151675197025 + 1729229056 = 389455^2 + 41584^2 .

It is a cyclic number.

It is not a de Polignac number, because 153404426081 - 2³⁰ = 152330684257 is a prime.

It is a super-2 number, since 2×153404426081² (a number of 23 digits) contains 22 as substring.

Together with 153404426083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153404426083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76702213040 + 76702213041.

It is an arithmetic number, because the mean of its divisors is an integer number (76702213041).

Almost surely, 2^153404426081 is an apocalyptic number.

It is an amenable number.

153404426081 is a deficient number, since it is larger than the sum of its proper divisors (1).

153404426081 is an equidigital number, since it uses as much as digits as its factorization.

153404426081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 153404426081 in words is "one hundred fifty-three billion, four hundred four million, four hundred twenty-six thousand, eighty-one".