1974005899 has 4 divisors (see below), whose sum is σ = 1974361480. Its totient is φ = 1973650320.

The previous prime is 1974005867. The next prime is 1974005903. The reversal of 1974005899 is 9985004791.

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 1974005899 - 2⁵ = 1974005867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1974005809) 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, 169329 + ... + 180610.

It is an arithmetic number, because the mean of its divisors is an integer number (493590370).

Almost surely, 2^1974005899 is an apocalyptic number.

1974005899 is a deficient number, since it is larger than the sum of its proper divisors (355581).

1974005899 is an equidigital number, since it uses as much as digits as its factorization.

1974005899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355580.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 1974005899 is about 44429.7861687404. The cubic root of 1974005899 is about 1254.4388106966.

The spelling of 1974005899 in words is "one billion, nine hundred seventy-four million, five thousand, eight hundred ninety-nine".