2161462999 has 2 divisors, whose sum is σ = 2161463000. Its totient is φ = 2161462998.

The previous prime is 2161462997. The next prime is 2161463041. The reversal of 2161462999 is 9992641612.

2161462999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2161462999 - 2¹ = 2161462997 is a prime.

Together with 2161462997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161462991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080731499 + 1080731500.

It is an arithmetic number, because the mean of its divisors is an integer number (1080731500).

Almost surely, 2^2161462999 is an apocalyptic number.

2161462999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161462999 is an equidigital number, since it uses as much as digits as its factorization.

2161462999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 2161462999 is about 46491.5368534963. The cubic root of 2161462999 is about 1292.9525940606.

The spelling of 2161462999 in words is "two billion, one hundred sixty-one million, four hundred sixty-two thousand, nine hundred ninety-nine".