354423117709 has 4 divisors (see below), whose sum is σ = 354455387104. Its totient is φ = 354390848316.

The previous prime is 354423117691. The next prime is 354423117749. The reversal of 354423117709 is 907711324453.

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 354423117709 - 2⁹ = 354423117197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354423117749) 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, 16118217 + ... + 16140190.

It is an arithmetic number, because the mean of its divisors is an integer number (88613846776).

Almost surely, 2^354423117709 is an apocalyptic number.

It is an amenable number.

354423117709 is a deficient number, since it is larger than the sum of its proper divisors (32269395).

354423117709 is a wasteful number, since it uses less digits than its factorization.

354423117709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32269394.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 354423117709 in words is "three hundred fifty-four billion, four hundred twenty-three million, one hundred seventeen thousand, seven hundred nine".