7484638901 has 2 divisors, whose sum is σ = 7484638902. Its totient is φ = 7484638900.

The previous prime is 7484638883. The next prime is 7484638919. The reversal of 7484638901 is 1098364847.

7484638901 = 61174² + 61175².

It is a balanced prime because it is at equal distance from previous prime (7484638883) and next prime (7484638919).

It can be written as a sum of positive squares in only one way, i.e., 3742380625 + 3742258276 = 61175^2 + 61174^2 .

It is a cyclic number.

It is not a de Polignac number, because 7484638901 - 2¹⁴ = 7484622517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7484638901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7484638951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3742319450 + 3742319451.

It is an arithmetic number, because the mean of its divisors is an integer number (3742319451).

Almost surely, 2^7484638901 is an apocalyptic number.

7484638901 is the 61175-th centered square number.

It is an amenable number.

7484638901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7484638901 is an equidigital number, since it uses as much as digits as its factorization.

7484638901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 7484638901 is about 86513.8075742826. The cubic root of 7484638901 is about 1956.0965367528.

The spelling of 7484638901 in words is "seven billion, four hundred eighty-four million, six hundred thirty-eight thousand, nine hundred one".