2161463039 has 4 divisors (see below), whose sum is σ = 2161866024. Its totient is φ = 2161060056.

The previous prime is 2161462999. The next prime is 2161463041. The reversal of 2161463039 is 9303641612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2161463039 - 2⁸ = 2161462783 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 (2161463089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193337 + ... + 204210.

It is an arithmetic number, because the mean of its divisors is an integer number (540466506).

Almost surely, 2^2161463039 is an apocalyptic number.

2161463039 is a deficient number, since it is larger than the sum of its proper divisors (402985).

2161463039 is an equidigital number, since it uses as much as digits as its factorization.

2161463039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402984.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2161463039 is about 46491.5372836821. The cubic root of 2161463039 is about 1292.9526020364.

The spelling of 2161463039 in words is "two billion, one hundred sixty-one million, four hundred sixty-three thousand, thirty-nine".