2143264490 has 16 divisors (see below), whose sum is σ = 3861374760. Its totient is φ = 856528320.

The previous prime is 2143264483. The next prime is 2143264507. The reversal of 2143264490 is 944623412.

It can be written as a sum of positive squares in 4 ways, for example, as 913429729 + 1229834761 = 30223^2 + 35069^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2143264490.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85541 + ... + 107720.

Almost surely, 2^2143264490 is an apocalyptic number.

2143264490 is a deficient number, since it is larger than the sum of its proper divisors (1718110270).

2143264490 is a wasteful number, since it uses less digits than its factorization.

2143264490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194377.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2143264490 is about 46295.4046315614. The cubic root of 2143264490 is about 1289.3136765417.

The spelling of 2143264490 in words is "two billion, one hundred forty-three million, two hundred sixty-four thousand, four hundred ninety".