1964144854 has 8 divisors (see below), whose sum is σ = 3367105488. Its totient is φ = 841776360.

The previous prime is 1964144837. The next prime is 1964144863. The reversal of 1964144854 is 4584414691.

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

It is a congruent 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, 70148017 + ... + 70148044.

It is an arithmetic number, because the mean of its divisors is an integer number (420888186).

Almost surely, 2^1964144854 is an apocalyptic number.

1964144854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1964144854 is a deficient number, since it is larger than the sum of its proper divisors (1402960634).

1964144854 is a wasteful number, since it uses less digits than its factorization.

1964144854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140296070.

The product of its digits is 552960, while the sum is 46.

The square root of 1964144854 is about 44318.6738745644. The cubic root of 1964144854 is about 1252.3464946009.

The spelling of 1964144854 in words is "one billion, nine hundred sixty-four million, one hundred forty-four thousand, eight hundred fifty-four".