345705043738 has 16 divisors (see below), whose sum is σ = 546002205120. Its totient is φ = 163709379936.

The previous prime is 345705043729. The next prime is 345705043813. The reversal of 345705043738 is 837340507543.

It is a junction number, because it is equal to n+sod(n) for n = 345705043691 and 345705043700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129470 + ... + 1402537.

It is an arithmetic number, because the mean of its divisors is an integer number (34125137820).

Almost surely, 2^345705043738 is an apocalyptic number.

345705043738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

345705043738 is a deficient number, since it is larger than the sum of its proper divisors (200297161382).

345705043738 is a wasteful number, since it uses less digits than its factorization.

345705043738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535621.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 345705043738 in words is "three hundred forty-five billion, seven hundred five million, forty-three thousand, seven hundred thirty-eight".