7468243889 has 2 divisors, whose sum is σ = 7468243890. Its totient is φ = 7468243888.

The previous prime is 7468243877. The next prime is 7468243897. The reversal of 7468243889 is 9883428647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7084083889 + 384160000 = 84167^2 + 19600^2 .

It is a cyclic number.

It is not a de Polignac number, because 7468243889 - 2²⁰ = 7467195313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7468242889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3734121944 + 3734121945.

It is an arithmetic number, because the mean of its divisors is an integer number (3734121945).

Almost surely, 2^7468243889 is an apocalyptic number.

It is an amenable number.

7468243889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7468243889 is an equidigital number, since it uses as much as digits as its factorization.

7468243889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 59.

The square root of 7468243889 is about 86419.0018977308. The cubic root of 7468243889 is about 1954.6672239234.

The spelling of 7468243889 in words is "seven billion, four hundred sixty-eight million, two hundred forty-three thousand, eight hundred eighty-nine".