2455667889 has 4 divisors (see below), whose sum is σ = 3274223856. Its totient is φ = 1637111924.

The previous prime is 2455667881. The next prime is 2455667917. The reversal of 2455667889 is 9887665542.

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 not a de Polignac number, because 2455667889 - 2³ = 2455667881 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2455667881) 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, 409277979 + ... + 409277984.

It is an arithmetic number, because the mean of its divisors is an integer number (818555964).

Almost surely, 2^2455667889 is an apocalyptic number.

It is an amenable number.

2455667889 is a deficient number, since it is larger than the sum of its proper divisors (818555967).

2455667889 is an equidigital number, since it uses as much as digits as its factorization.

2455667889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818555966.

The product of its digits is 29030400, while the sum is 60.

The square root of 2455667889 is about 49554.6959328780. The cubic root of 2455667889 is about 1349.1385247323.

The spelling of 2455667889 in words is "two billion, four hundred fifty-five million, six hundred sixty-seven thousand, eight hundred eighty-nine".