2162406440099 has 4 divisors (see below), whose sum is σ = 2162482148736. Its totient is φ = 2162330731464.

The previous prime is 2162406440087. The next prime is 2162406440123. The reversal of 2162406440099 is 9900446042612.

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 2162406440099 - 2⁴⁰ = 1062894812323 is a prime.

It is a super-2 number, since 2×2162406440099² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162406440069) 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, 37811459 + ... + 37868604.

It is an arithmetic number, because the mean of its divisors is an integer number (540620537184).

Almost surely, 2^{2162406440099} is an apocalyptic number.

2162406440099 is a deficient number, since it is larger than the sum of its proper divisors (75708637).

2162406440099 is an equidigital number, since it uses as much as digits as its factorization.

2162406440099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75708636.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 2162406440099 in words is "two trillion, one hundred sixty-two billion, four hundred six million, four hundred forty thousand, ninety-nine".