3454391657239 has 4 divisors (see below), whose sum is σ = 3457877421760. Its totient is φ = 3450905892720.

The previous prime is 3454391657221. The next prime is 3454391657281. The reversal of 3454391657239 is 9327561934543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3454391657239 - 2⁵ = 3454391657207 is a prime.

It is a super-2 number, since 2×3454391657239² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454391057239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742880774 + ... + 1742882755.

It is an arithmetic number, because the mean of its divisors is an integer number (864469355440).

Almost surely, 2^{3454391657239} is an apocalyptic number.

3454391657239 is a deficient number, since it is larger than the sum of its proper divisors (3485764521).

3454391657239 is an equidigital number, since it uses as much as digits as its factorization.

3454391657239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485764520.

The product of its digits is 73483200, while the sum is 61.

The spelling of 3454391657239 in words is "three trillion, four hundred fifty-four billion, three hundred ninety-one million, six hundred fifty-seven thousand, two hundred thirty-nine".