354401240142559 has 2 divisors, whose sum is σ = 354401240142560. Its totient is φ = 354401240142558.

The previous prime is 354401240142539. The next prime is 354401240142643. The reversal of 354401240142559 is 955241042104453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354401240142559 - 2⁵ = 354401240142527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354401240142529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177200620071279 + 177200620071280.

It is an arithmetic number, because the mean of its divisors is an integer number (177200620071280).

Almost surely, 2^{354401240142559} is an apocalyptic number.

354401240142559 is a deficient number, since it is larger than the sum of its proper divisors (1).

354401240142559 is an equidigital number, since it uses as much as digits as its factorization.

354401240142559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 354401240142559 in words is "three hundred fifty-four trillion, four hundred one billion, two hundred forty million, one hundred forty-two thousand, five hundred fifty-nine".