345849742393 has 8 divisors (see below), whose sum is σ = 357019439616. Its totient is φ = 334680873600.

The previous prime is 345849742267. The next prime is 345849742397. The reversal of 345849742393 is 393247948543.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345849742393 is a prime.

It is a super-2 number, since 2×345849742393² (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 (345849742397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705180 + ... + 1090402.

It is an arithmetic number, because the mean of its divisors is an integer number (44627429952).

Almost surely, 2^345849742393 is an apocalyptic number.

It is an amenable number.

345849742393 is a deficient number, since it is larger than the sum of its proper divisors (11169697223).

345849742393 is a wasteful number, since it uses less digits than its factorization.

345849742393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414215.

The product of its digits is 78382080, while the sum is 61.

The spelling of 345849742393 in words is "three hundred forty-five billion, eight hundred forty-nine million, seven hundred forty-two thousand, three hundred ninety-three".