1416743681 has 4 divisors (see below), whose sum is σ = 1419942192. Its totient is φ = 1413545172.

The previous prime is 1416743659. The next prime is 1416743693. The reversal of 1416743681 is 1863476141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1416743681 is a prime.

It is a super-2 number, since 2×1416743681² = 4014325315306859522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1416743621) 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 3 ways as a sum of consecutive naturals, for example, 1598591 + ... + 1599476.

It is an arithmetic number, because the mean of its divisors is an integer number (354985548).

Almost surely, 2^1416743681 is an apocalyptic number.

It is an amenable number.

1416743681 is a deficient number, since it is larger than the sum of its proper divisors (3198511).

1416743681 is an equidigital number, since it uses as much as digits as its factorization.

1416743681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198510.

The product of its digits is 96768, while the sum is 41.

The square root of 1416743681 is about 37639.6556971500. The cubic root of 1416743681 is about 1123.1310350095.

The spelling of 1416743681 in words is "one billion, four hundred sixteen million, seven hundred forty-three thousand, six hundred eighty-one".