1469115681 has 16 divisors (see below), whose sum is σ = 2137544640. Its totient is φ = 890102720.

The previous prime is 1469115653. The next prime is 1469115689. The reversal of 1469115681 is 1865119641.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1469115681 - 2¹⁰ = 1469114657 is a prime.

It is a super-2 number, since 2×1469115681² = 4316601768320187522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1469115689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183151 + ... + 191003.

It is an arithmetic number, because the mean of its divisors is an integer number (133596540).

Almost surely, 2^1469115681 is an apocalyptic number.

1469115681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1469115681 is a deficient number, since it is larger than the sum of its proper divisors (668428959).

1469115681 is a wasteful number, since it uses less digits than its factorization.

1469115681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536.

The product of its digits is 51840, while the sum is 42.

The square root of 1469115681 is about 38329.0448746117. The cubic root of 1469115681 is about 1136.8033152232.

The spelling of 1469115681 in words is "one billion, four hundred sixty-nine million, one hundred fifteen thousand, six hundred eighty-one".