7551481867 has 2 divisors, whose sum is σ = 7551481868. Its totient is φ = 7551481866.

The previous prime is 7551481843. The next prime is 7551481871. The reversal of 7551481867 is 7681841557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7551481867 - 2¹⁵ = 7551449099 is a prime.

It is not a weakly prime, because it can be changed into another prime (7551481837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775740933 + 3775740934.

It is an arithmetic number, because the mean of its divisors is an integer number (3775740934).

Almost surely, 2^7551481867 is an apocalyptic number.

7551481867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7551481867 is an equidigital number, since it uses as much as digits as its factorization.

7551481867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 52.

The square root of 7551481867 is about 86899.2627529141. The cubic root of 7551481867 is about 1961.9023826915.

The spelling of 7551481867 in words is "seven billion, five hundred fifty-one million, four hundred eighty-one thousand, eight hundred sixty-seven".