345678691399 has 16 divisors (see below), whose sum is σ = 360714583296. Its totient is φ = 330903014400.

The previous prime is 345678691387. The next prime is 345678691451. The reversal of 345678691399 is 993196876543.

It is a cyclic number.

It is not a de Polignac number, because 345678691399 - 2⁹ = 345678690887 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 (345675691399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048579 + ... + 1338235.

It is an arithmetic number, because the mean of its divisors is an integer number (22544661456).

Almost surely, 2^345678691399 is an apocalyptic number.

345678691399 is a deficient number, since it is larger than the sum of its proper divisors (15035891897).

345678691399 is a wasteful number, since it uses less digits than its factorization.

345678691399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290106.

The product of its digits is 264539520, while the sum is 70.

The spelling of 345678691399 in words is "three hundred forty-five billion, six hundred seventy-eight million, six hundred ninety-one thousand, three hundred ninety-nine".