1994513464 has 16 divisors (see below), whose sum is σ = 3860349120. Its totient is φ = 965087040.

The previous prime is 1994513447. The next prime is 1994513503. The reversal of 1994513464 is 4643154991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020949 + ... + 4021444.

It is an arithmetic number, because the mean of its divisors is an integer number (241271820).

Almost surely, 2^1994513464 is an apocalyptic number.

It is an amenable number.

1994513464 is a deficient number, since it is larger than the sum of its proper divisors (1865835656).

1994513464 is a wasteful number, since it uses less digits than its factorization.

1994513464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042430 (or 8042426 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 1994513464 is about 44659.9760859766. The cubic root of 1994513464 is about 1258.7678944134.

The spelling of 1994513464 in words is "one billion, nine hundred ninety-four million, five hundred thirteen thousand, four hundred sixty-four".