346405322404642 has 4 divisors (see below), whose sum is σ = 519607983606966. Its totient is φ = 173202661202320.

The previous prime is 346405322404633. The next prime is 346405322404667. The reversal of 346405322404642 is 246404223504643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 345331568443801 + 1073753960841 = 18583099^2 + 1036221^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86601330601159 + ... + 86601330601162.

Almost surely, 2^{346405322404642} is an apocalyptic number.

346405322404642 is a deficient number, since it is larger than the sum of its proper divisors (173202661202324).

346405322404642 is a wasteful number, since it uses less digits than its factorization.

346405322404642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173202661202323.

The product of its (nonzero) digits is 13271040, while the sum is 49.

The spelling of 346405322404642 in words is "three hundred forty-six trillion, four hundred five billion, three hundred twenty-two million, four hundred four thousand, six hundred forty-two".