344215225654 has 4 divisors (see below), whose sum is σ = 516322838484. Its totient is φ = 172107612826.

The previous prime is 344215225649. The next prime is 344215225663. The reversal of 344215225654 is 456522512443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456522512443 = 2089 ⋅218536387.

It is a self number, because there is not a number n which added to its sum of digits gives 344215225654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86053806412 + ... + 86053806415.

It is an arithmetic number, because the mean of its divisors is an integer number (129080709621).

Almost surely, 2^344215225654 is an apocalyptic number.

344215225654 is a deficient number, since it is larger than the sum of its proper divisors (172107612830).

344215225654 is a wasteful number, since it uses less digits than its factorization.

344215225654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172107612829.

The product of its digits is 1152000, while the sum is 43.

The spelling of 344215225654 in words is "three hundred forty-four billion, two hundred fifteen million, two hundred twenty-five thousand, six hundred fifty-four".