321477742406 has 8 divisors (see below), whose sum is σ = 482290220424. Its totient is φ = 160714335600.

The previous prime is 321477742367. The next prime is 321477742423. The reversal of 321477742406 is 604247774123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12251420 + ... + 12277631.

It is an arithmetic number, because the mean of its divisors is an integer number (60286277553).

Almost surely, 2^321477742406 is an apocalyptic number.

321477742406 is a deficient number, since it is larger than the sum of its proper divisors (160812478018).

321477742406 is a wasteful number, since it uses less digits than its factorization.

321477742406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24535606.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 321477742406 in words is "three hundred twenty-one billion, four hundred seventy-seven million, seven hundred forty-two thousand, four hundred six".