354984671797 has 4 divisors (see below), whose sum is σ = 405696767776. Its totient is φ = 304272575820.

The previous prime is 354984671773. The next prime is 354984671863. The reversal of 354984671797 is 797176489453.

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 a de Polignac number, because none of the positive numbers 2^k-354984671797 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 (354984611797) 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, 25356047979 + ... + 25356047992.

It is an arithmetic number, because the mean of its divisors is an integer number (101424191944).

Almost surely, 2^354984671797 is an apocalyptic number.

It is an amenable number.

354984671797 is a deficient number, since it is larger than the sum of its proper divisors (50712095979).

354984671797 is an equidigital number, since it uses as much as digits as its factorization.

354984671797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50712095978.

The product of its digits is 320060160, while the sum is 70.

The spelling of 354984671797 in words is "three hundred fifty-four billion, nine hundred eighty-four million, six hundred seventy-one thousand, seven hundred ninety-seven".