344431749769 has 4 divisors (see below), whose sum is σ = 344618233344. Its totient is φ = 344245266196.

The previous prime is 344431749763. The next prime is 344431749773. The reversal of 344431749769 is 967947134443.

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.

It is a cyclic number.

It is not a de Polignac number, because 344431749769 - 2¹⁵ = 344431717001 is a prime.

It is a super-2 number, since 2×344431749769² (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 (344431749763) 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, 93239017 + ... + 93242710.

It is an arithmetic number, because the mean of its divisors is an integer number (86154558336).

Almost surely, 2^344431749769 is an apocalyptic number.

It is an amenable number.

344431749769 is a deficient number, since it is larger than the sum of its proper divisors (186483575).

344431749769 is a wasteful number, since it uses less digits than its factorization.

344431749769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186483574.

The product of its digits is 54867456, while the sum is 61.

The spelling of 344431749769 in words is "three hundred forty-four billion, four hundred thirty-one million, seven hundred forty-nine thousand, seven hundred sixty-nine".