1414422991 has 4 divisors (see below), whose sum is σ = 1414909152. Its totient is φ = 1413936832.

The previous prime is 1414422979. The next prime is 1414423039. The reversal of 1414422991 is 1992244141.

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 1414422991 - 2⁵ = 1414422959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1414422991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414422931) 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, 238690 + ... + 244543.

It is an arithmetic number, because the mean of its divisors is an integer number (353727288).

Almost surely, 2^1414422991 is an apocalyptic number.

1414422991 is a deficient number, since it is larger than the sum of its proper divisors (486161).

1414422991 is an equidigital number, since it uses as much as digits as its factorization.

1414422991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486160.

The product of its digits is 20736, while the sum is 37.

The square root of 1414422991 is about 37608.8153363011. The cubic root of 1414422991 is about 1122.5174534450.

The spelling of 1414422991 in words is "one billion, four hundred fourteen million, four hundred twenty-two thousand, nine hundred ninety-one".