343663425438 has 32 divisors (see below), whose sum is σ = 727867607040. Its totient is φ = 107799715200.

The previous prime is 343663425431. The next prime is 343663425569. The reversal of 343663425438 is 834524366343.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343663425431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434613 + ... + 936063.

It is an arithmetic number, because the mean of its divisors is an integer number (22745862720).

Almost surely, 2^343663425438 is an apocalyptic number.

343663425438 is an abundant number, since it is smaller than the sum of its proper divisors (384204181602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343663425438 is a wasteful number, since it uses less digits than its factorization.

343663425438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508192.

The product of its digits is 14929920, while the sum is 51.

The spelling of 343663425438 in words is "three hundred forty-three billion, six hundred sixty-three million, four hundred twenty-five thousand, four hundred thirty-eight".