2199874973 has 2 divisors, whose sum is σ = 2199874974. Its totient is φ = 2199874972.

The previous prime is 2199874961. The next prime is 2199874981. The reversal of 2199874973 is 3794789912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147651129 + 1052223844 = 33877^2 + 32438^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199874973 - 2⁶ = 2199874909 is a prime.

It is a super-3 number, since 3×2199874973³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199874913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099937486 + 1099937487.

It is an arithmetic number, because the mean of its divisors is an integer number (1099937487).

Almost surely, 2^2199874973 is an apocalyptic number.

It is an amenable number.

2199874973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199874973 is an equidigital number, since it uses as much as digits as its factorization.

2199874973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 2199874973 is about 46902.8247869998. The cubic root of 2199874973 is about 1300.5668086503.

The spelling of 2199874973 in words is "two billion, one hundred ninety-nine million, eight hundred seventy-four thousand, nine hundred seventy-three".