354430135457 has 2 divisors, whose sum is σ = 354430135458. Its totient is φ = 354430135456.

The previous prime is 354430135387. The next prime is 354430135459. The reversal of 354430135457 is 754531034453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354311848081 + 118287376 = 595241^2 + 10876^2 .

It is a cyclic number.

It is not a de Polignac number, because 354430135457 - 2⁸ = 354430135201 is a prime.

Together with 354430135459, 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 (354430135459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177215067728 + 177215067729.

It is an arithmetic number, because the mean of its divisors is an integer number (177215067729).

Almost surely, 2^354430135457 is an apocalyptic number.

It is an amenable number.

354430135457 is a deficient number, since it is larger than the sum of its proper divisors (1).

354430135457 is an equidigital number, since it uses as much as digits as its factorization.

354430135457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 354430135457 in words is "three hundred fifty-four billion, four hundred thirty million, one hundred thirty-five thousand, four hundred fifty-seven".