345921481952 has 24 divisors (see below), whose sum is σ = 681827642496. Its totient is φ = 172758906112.

The previous prime is 345921481949. The next prime is 345921481967. The reversal of 345921481952 is 259184129543.

It is a junction number, because it is equal to n+sod(n) for n = 345921481894 and 345921481903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6279488 + ... + 6334335.

It is an arithmetic number, because the mean of its divisors is an integer number (28409485104).

Almost surely, 2^345921481952 is an apocalyptic number.

345921481952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345921481952 is a deficient number, since it is larger than the sum of its proper divisors (335906160544).

345921481952 is a wasteful number, since it uses less digits than its factorization.

345921481952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614690 (or 12614682 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The spelling of 345921481952 in words is "three hundred forty-five billion, nine hundred twenty-one million, four hundred eighty-one thousand, nine hundred fifty-two".