1964145463 has 16 divisors (see below), whose sum is σ = 2413163520. Its totient is φ = 1561005216.

The previous prime is 1964145457. The next prime is 1964145499. The reversal of 1964145463 is 3645414691.

It is a cyclic number.

It is not a de Polignac number, because 1964145463 - 2²⁵ = 1930591031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964145433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150856 + ... + 163357.

It is an arithmetic number, because the mean of its divisors is an integer number (150822720).

Almost surely, 2^1964145463 is an apocalyptic number.

1964145463 is a deficient number, since it is larger than the sum of its proper divisors (449018057).

1964145463 is a wasteful number, since it uses less digits than its factorization.

1964145463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314286.

The product of its digits is 311040, while the sum is 43.

The square root of 1964145463 is about 44318.6807452568. The cubic root of 1964145463 is about 1252.3466240345.

The spelling of 1964145463 in words is "one billion, nine hundred sixty-four million, one hundred forty-five thousand, four hundred sixty-three".