354415555889 has 4 divisors (see below), whose sum is σ = 354416897856. Its totient is φ = 354414213924.

The previous prime is 354415555883. The next prime is 354415555913. The reversal of 354415555889 is 988555514453.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 354415555889 - 2³⁶ = 285696079153 is a prime.

It is a super-2 number, since 2×354415555889² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354415555883) 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, 128789 + ... + 851714.

It is an arithmetic number, because the mean of its divisors is an integer number (88604224464).

Almost surely, 2^354415555889 is an apocalyptic number.

It is an amenable number.

354415555889 is a deficient number, since it is larger than the sum of its proper divisors (1341967).

354415555889 is an equidigital number, since it uses as much as digits as its factorization.

354415555889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341966.

The product of its digits is 86400000, while the sum is 62.

The spelling of 354415555889 in words is "three hundred fifty-four billion, four hundred fifteen million, five hundred fifty-five thousand, eight hundred eighty-nine".