1309946466 has 8 divisors (see below), whose sum is σ = 2619892944. Its totient is φ = 436648820.

The previous prime is 1309946423. The next prime is 1309946549. The reversal of 1309946466 is 6646499031.

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

1309946466 is an admirable 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, 109162200 + ... + 109162211.

It is an arithmetic number, because the mean of its divisors is an integer number (327486618).

Almost surely, 2^1309946466 is an apocalyptic number.

1309946466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1309946466 is a wasteful number, since it uses less digits than its factorization.

1309946466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218324416.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 1309946466 is about 36193.1825900956. The cubic root of 1309946466 is about 1094.1692763116.

The spelling of 1309946466 in words is "one billion, three hundred nine million, nine hundred forty-six thousand, four hundred sixty-six".