343781565625 has 12 divisors (see below), whose sum is σ = 429699458412. Its totient is φ = 275025250000.

The previous prime is 343781565587. The next prime is 343781565637. The reversal of 343781565625 is 526565187343.

It can be written as a sum of positive squares in 6 ways, for example, as 340846960041 + 2934605584 = 583821^2 + 54172^2 .

It is not a de Polignac number, because 343781565625 - 2¹³ = 343781557433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55001926 + ... + 55008175.

It is an arithmetic number, because the mean of its divisors is an integer number (35808288201).

Almost surely, 2^343781565625 is an apocalyptic number.

It is an amenable number.

343781565625 is a deficient number, since it is larger than the sum of its proper divisors (85917892787).

343781565625 is an frugal number, since it uses more digits than its factorization.

343781565625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010126 (or 110010106 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 55.

The spelling of 343781565625 in words is "three hundred forty-three billion, seven hundred eighty-one million, five hundred sixty-five thousand, six hundred twenty-five".