1914561464 has 8 divisors (see below), whose sum is σ = 3589802760. Its totient is φ = 957280728.

The previous prime is 1914561443. The next prime is 1914561491. The reversal of 1914561464 is 4641654191.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 119660084 + ... + 119660099.

It is an arithmetic number, because the mean of its divisors is an integer number (448725345).

Almost surely, 2^1914561464 is an apocalyptic number.

It is an amenable number.

1914561464 is a deficient number, since it is larger than the sum of its proper divisors (1675241296).

1914561464 is a wasteful number, since it uses less digits than its factorization.

1914561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239320189 (or 239320185 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 1914561464 is about 43755.7020741297. The cubic root of 1914561464 is about 1241.7183651122.

The spelling of 1914561464 in words is "one billion, nine hundred fourteen million, five hundred sixty-one thousand, four hundred sixty-four".