345531842379 has 12 divisors (see below), whose sum is σ = 525370053000. Its totient is φ = 218230637184.

The previous prime is 345531842377. The next prime is 345531842399. The reversal of 345531842379 is 973248135543.

345531842379 is a `hidden beast` number, since 3 + 4 + 5 + 531 + 84 + 23 + 7 + 9 = 666.

It is not a de Polignac number, because 345531842379 - 2¹ = 345531842377 is a prime.

It is a super-2 number, since 2×345531842379² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345531842377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010326854 + ... + 1010327195.

It is an arithmetic number, because the mean of its divisors is an integer number (43780837750).

Almost surely, 2^345531842379 is an apocalyptic number.

345531842379 is a deficient number, since it is larger than the sum of its proper divisors (179838210621).

345531842379 is a wasteful number, since it uses less digits than its factorization.

345531842379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020654074 (or 2020654071 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 345531842379 in words is "three hundred forty-five billion, five hundred thirty-one million, eight hundred forty-two thousand, three hundred seventy-nine".