354464898563 has 2 divisors, whose sum is σ = 354464898564. Its totient is φ = 354464898562.

The previous prime is 354464898553. The next prime is 354464898569. The reversal of 354464898563 is 365898464453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354464898563 - 2¹⁰ = 354464897539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354464898563.

It is not a weakly prime, because it can be changed into another prime (354464898569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177232449281 + 177232449282.

It is an arithmetic number, because the mean of its divisors is an integer number (177232449282).

Almost surely, 2^354464898563 is an apocalyptic number.

354464898563 is a deficient number, since it is larger than the sum of its proper divisors (1).

354464898563 is an equidigital number, since it uses as much as digits as its factorization.

354464898563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 298598400, while the sum is 65.

The spelling of 354464898563 in words is "three hundred fifty-four billion, four hundred sixty-four million, eight hundred ninety-eight thousand, five hundred sixty-three".