403242442120157 has 2 divisors, whose sum is σ = 403242442120158. Its totient is φ = 403242442120156.

The previous prime is 403242442120151. The next prime is 403242442120211. The reversal of 403242442120157 is 751021244242304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402839180289316 + 403261830841 = 20070854^2 + 635029^2 .

It is a cyclic number.

It is not a de Polignac number, because 403242442120157 - 2⁶ = 403242442120093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403242442120151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201621221060078 + 201621221060079.

It is an arithmetic number, because the mean of its divisors is an integer number (201621221060079).

Almost surely, 2^{403242442120157} is an apocalyptic number.

It is an amenable number.

403242442120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

403242442120157 is an equidigital number, since it uses as much as digits as its factorization.

403242442120157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 41.

The spelling of 403242442120157 in words is "four hundred three trillion, two hundred forty-two billion, four hundred forty-two million, one hundred twenty thousand, one hundred fifty-seven".