2167438505 has 16 divisors (see below), whose sum is σ = 2618827200. Its totient is φ = 1722043200.

The previous prime is 2167438489. The next prime is 2167438597. The reversal of 2167438505 is 5058347612.

It is not a de Polignac number, because 2167438505 - 2⁴ = 2167438489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297811 + ... + 1299479.

It is an arithmetic number, because the mean of its divisors is an integer number (163676700).

Almost surely, 2^2167438505 is an apocalyptic number.

It is an amenable number.

2167438505 is a deficient number, since it is larger than the sum of its proper divisors (451388695).

2167438505 is a wasteful number, since it uses less digits than its factorization.

2167438505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2167438505 is about 46555.7569479866. The cubic root of 2167438505 is about 1294.1429818029.

The spelling of 2167438505 in words is "two billion, one hundred sixty-seven million, four hundred thirty-eight thousand, five hundred five".