7486474649 has 2 divisors, whose sum is σ = 7486474650. Its totient is φ = 7486474648.

The previous prime is 7486474627. The next prime is 7486474669. The reversal of 7486474649 is 9464746847.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6313891600 + 1172583049 = 79460^2 + 34243^2 .

It is a cyclic number.

It is not a de Polignac number, because 7486474649 - 2²⁰ = 7485426073 is a prime.

It is not a weakly prime, because it can be changed into another prime (7486474669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743237324 + 3743237325.

It is an arithmetic number, because the mean of its divisors is an integer number (3743237325).

Almost surely, 2^7486474649 is an apocalyptic number.

It is an amenable number.

7486474649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7486474649 is an equidigital number, since it uses as much as digits as its factorization.

7486474649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 59.

The square root of 7486474649 is about 86524.4164903757. The cubic root of 7486474649 is about 1956.2564467949.

The spelling of 7486474649 in words is "seven billion, four hundred eighty-six million, four hundred seventy-four thousand, six hundred forty-nine".