2147997412 has 24 divisors (see below), whose sum is σ = 4102049952. Its totient is φ = 976046400.

The previous prime is 2147997407. The next prime is 2147997419.

It is a happy number.

2147997412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2147997412² = 9227785763917395488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147997419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179488 + ... + 191080.

It is an arithmetic number, because the mean of its divisors is an integer number (170918748).

Almost surely, 2^2147997412 is an apocalyptic number.

2147997412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2147997412 is a deficient number, since it is larger than the sum of its proper divisors (1954052540).

2147997412 is a wasteful number, since it uses less digits than its factorization.

2147997412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819 (or 15817 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 2147997412 is about 46346.4929849066. The cubic root of 2147997412 is about 1290.2620327831.

The spelling of 2147997412 in words is "two billion, one hundred forty-seven million, nine hundred ninety-seven thousand, four hundred twelve".