1416249811 has 4 divisors (see below), whose sum is σ = 1416381624. Its totient is φ = 1416118000.

The previous prime is 1416249739. The next prime is 1416249823. The reversal of 1416249811 is 1189426141.

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 1416249811 - 2⁹ = 1416249299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1416241811) 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, 48205 + ... + 71806.

It is an arithmetic number, because the mean of its divisors is an integer number (354095406).

Almost surely, 2^1416249811 is an apocalyptic number.

1416249811 is a deficient number, since it is larger than the sum of its proper divisors (131813).

1416249811 is a wasteful number, since it uses less digits than its factorization.

1416249811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131812.

The product of its digits is 13824, while the sum is 37.

The square root of 1416249811 is about 37633.0946242798. The cubic root of 1416249811 is about 1123.0005138251. Note that the first 3 decimals are identical.

The spelling of 1416249811 in words is "one billion, four hundred sixteen million, two hundred forty-nine thousand, eight hundred eleven".