2163962464 has 48 divisors (see below), whose sum is σ = 4382054208. Its totient is φ = 1051149312.

The previous prime is 2163962461. The next prime is 2163962467. The reversal of 2163962464 is 4642693612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2163962461) and next prime (2163962467).

It is a self number, because there is not a number n which added to its sum of digits gives 2163962464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163962461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305124 + ... + 1306780.

It is an arithmetic number, because the mean of its divisors is an integer number (91292796).

Almost surely, 2^2163962464 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 2163962464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191027104).

2163962464 is an abundant number, since it is smaller than the sum of its proper divisors (2218091744).

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

2163962464 is a wasteful number, since it uses less digits than its factorization.

2163962464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2799 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 2163962464 is about 46518.4099470306. The cubic root of 2163962464 is about 1293.4507820739.

The spelling of 2163962464 in words is "two billion, one hundred sixty-three million, nine hundred sixty-two thousand, four hundred sixty-four".