2514646489 has 4 divisors (see below), whose sum is σ = 2514747556. Its totient is φ = 2514545424.

The previous prime is 2514646487. The next prime is 2514646507. The reversal of 2514646489 is 9846464152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1471873225 + 1042773264 = 38365^2 + 32292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2514646489 - 2¹ = 2514646487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2514646487) 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, 15907 + ... + 72679.

It is an arithmetic number, because the mean of its divisors is an integer number (628686889).

Almost surely, 2^2514646489 is an apocalyptic number.

It is an amenable number.

2514646489 is a deficient number, since it is larger than the sum of its proper divisors (101067).

2514646489 is an equidigital number, since it uses as much as digits as its factorization.

2514646489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101066.

The product of its digits is 1658880, while the sum is 49.

The square root of 2514646489 is about 50146.2509964603. The cubic root of 2514646489 is about 1359.8540949659.

The spelling of 2514646489 in words is "two billion, five hundred fourteen million, six hundred forty-six thousand, four hundred eighty-nine".