1964699264 has 96 divisors (see below), whose sum is σ = 4395384000. Its totient is φ = 873720320.

The previous prime is 1964699263. The next prime is 1964699309. The reversal of 1964699264 is 4629964691.

It is not an unprimeable number, because it can be changed into a prime (1964699263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726587 + ... + 729285.

It is an arithmetic number, because the mean of its divisors is an integer number (45785250).

Almost surely, 2^1964699264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964699264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197692000).

1964699264 is an abundant number, since it is smaller than the sum of its proper divisors (2430684736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1964699264 is a wasteful number, since it uses less digits than its factorization.

1964699264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2759 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 56.

The square root of 1964699264 is about 44324.9282458528. The cubic root of 1964699264 is about 1252.4643148492.

The spelling of 1964699264 in words is "one billion, nine hundred sixty-four million, six hundred ninety-nine thousand, two hundred sixty-four".