14890471265 has 4 divisors (see below), whose sum is σ = 17868565524. Its totient is φ = 11912377008.

The previous prime is 14890471259. The next prime is 14890471357. The reversal of 14890471265 is 56217409841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56217409841 = 47 ⋅1196115103.

It can be written as a sum of positive squares in 2 ways, for example, as 9509955361 + 5380515904 = 97519^2 + 73352^2 .

It is a cyclic number.

It is not a de Polignac number, because 14890471265 - 2⁶ = 14890471201 is a prime.

It is a super-2 number, since 2×14890471265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489047122 + ... + 1489047131.

It is an arithmetic number, because the mean of its divisors is an integer number (4467141381).

Almost surely, 2^14890471265 is an apocalyptic number.

It is an amenable number.

14890471265 is a deficient number, since it is larger than the sum of its proper divisors (2978094259).

14890471265 is an equidigital number, since it uses as much as digits as its factorization.

14890471265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978094258.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 14890471265 in words is "fourteen billion, eight hundred ninety million, four hundred seventy-one thousand, two hundred sixty-five".