1321954466 has 8 divisors (see below), whose sum is σ = 2266207680. Its totient is φ = 566551908.

The previous prime is 1321954441. The next prime is 1321954489. The reversal of 1321954466 is 6644591231.

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

It is a super-2 number, since 2×1321954466² = 3495127220354690312, which contains 22 as substring.

It is a Curzon 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, 47212646 + ... + 47212673.

It is an arithmetic number, because the mean of its divisors is an integer number (283275960).

Almost surely, 2^1321954466 is an apocalyptic number.

1321954466 is a deficient number, since it is larger than the sum of its proper divisors (944253214).

1321954466 is an equidigital number, since it uses as much as digits as its factorization.

1321954466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94425328.

The product of its digits is 155520, while the sum is 41.

The square root of 1321954466 is about 36358.6917531421. The cubic root of 1321954466 is about 1097.5024509642.

The spelling of 1321954466 in words is "one billion, three hundred twenty-one million, nine hundred fifty-four thousand, four hundred sixty-six".