2153455487 has 2 divisors, whose sum is σ = 2153455488. Its totient is φ = 2153455486.

The previous prime is 2153455483. The next prime is 2153455511. The reversal of 2153455487 is 7845543512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153455487 - 2² = 2153455483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153455483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076727743 + 1076727744.

It is an arithmetic number, because the mean of its divisors is an integer number (1076727744).

Almost surely, 2^2153455487 is an apocalyptic number.

2153455487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153455487 is an equidigital number, since it uses as much as digits as its factorization.

2153455487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 44.

The square root of 2153455487 is about 46405.3389924047. The cubic root of 2153455487 is about 1291.3539630975.

Adding to 2153455487 its reverse (7845543512), we get a palindrome (9998998999).

The spelling of 2153455487 in words is "two billion, one hundred fifty-three million, four hundred fifty-five thousand, four hundred eighty-seven".