3456397231691 has 8 divisors (see below), whose sum is σ = 3459987588960. Its totient is φ = 3452807730112.

The previous prime is 3456397231633. The next prime is 3456397231831. The reversal of 3456397231691 is 1961327936543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3456397231691 - 2⁶ = 3456397231627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3456397231691.

It is not an unprimeable number, because it can be changed into a prime (3456394231691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8033546 + ... + 8452848.

It is an arithmetic number, because the mean of its divisors is an integer number (432498448620).

Almost surely, 2^{3456397231691} is an apocalyptic number.

3456397231691 is a deficient number, since it is larger than the sum of its proper divisors (3590357269).

3456397231691 is a wasteful number, since it uses less digits than its factorization.

3456397231691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427845.

The product of its digits is 22044960, while the sum is 59.

The spelling of 3456397231691 in words is "three trillion, four hundred fifty-six billion, three hundred ninety-seven million, two hundred thirty-one thousand, six hundred ninety-one".