354444136653 has 4 divisors (see below), whose sum is σ = 472592182208. Its totient is φ = 236296091100.

The previous prime is 354444136619. The next prime is 354444136667. The reversal of 354444136653 is 356631444453.

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 not a de Polignac number, because 354444136653 - 2³⁰ = 353370394829 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 (354444137653) 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, 59074022773 + ... + 59074022778.

It is an arithmetic number, because the mean of its divisors is an integer number (118148045552).

Almost surely, 2^354444136653 is an apocalyptic number.

It is an amenable number.

354444136653 is a deficient number, since it is larger than the sum of its proper divisors (118148045555).

354444136653 is a wasteful number, since it uses less digits than its factorization.

354444136653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118148045554.

The product of its digits is 6220800, while the sum is 48.

The spelling of 354444136653 in words is "three hundred fifty-four billion, four hundred forty-four million, one hundred thirty-six thousand, six hundred fifty-three".