2552664189487 has 4 divisors (see below), whose sum is σ = 2553126048496. Its totient is φ = 2552202330480.

The previous prime is 2552664189461. The next prime is 2552664189533. The reversal of 2552664189487 is 7849814662552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2552664189487 - 2⁷ = 2552664189359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552664189437) 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, 230921214 + ... + 230932267.

It is an arithmetic number, because the mean of its divisors is an integer number (638281512124).

Almost surely, 2^{2552664189487} is an apocalyptic number.

2552664189487 is a deficient number, since it is larger than the sum of its proper divisors (461859009).

2552664189487 is an equidigital number, since it uses as much as digits as its factorization.

2552664189487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461859008.

The product of its digits is 232243200, while the sum is 67.

The spelling of 2552664189487 in words is "two trillion, five hundred fifty-two billion, six hundred sixty-four million, one hundred eighty-nine thousand, four hundred eighty-seven".