354097562509 has 4 divisors (see below), whose sum is σ = 354286820160. Its totient is φ = 353908304860.

The previous prime is 354097562503. The next prime is 354097562543. The reversal of 354097562509 is 905265790453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 354097562509 - 2³ = 354097562501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354097562509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354097562501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94626019 + ... + 94629760.

It is an arithmetic number, because the mean of its divisors is an integer number (88571705040).

Almost surely, 2^354097562509 is an apocalyptic number.

It is an amenable number.

354097562509 is a deficient number, since it is larger than the sum of its proper divisors (189257651).

354097562509 is a wasteful number, since it uses less digits than its factorization.

354097562509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189257650.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 354097562509 in words is "three hundred fifty-four billion, ninety-seven million, five hundred sixty-two thousand, five hundred nine".