3213505451994 has 8 divisors (see below), whose sum is σ = 6427010904000. Its totient is φ = 1071168483996.

The previous prime is 3213505451987. The next prime is 3213505452023. The reversal of 3213505451994 is 4991545053123.

It is a happy number.

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

3213505451994 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, 267792120994 + ... + 267792121005.

It is an arithmetic number, because the mean of its divisors is an integer number (803376363000).

Almost surely, 2^{3213505451994} is an apocalyptic number.

3213505451994 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.

3213505451994 is a wasteful number, since it uses less digits than its factorization.

3213505451994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535584242004.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 3213505451994 in words is "three trillion, two hundred thirteen billion, five hundred five million, four hundred fifty-one thousand, nine hundred ninety-four".