7464248861 has 2 divisors, whose sum is σ = 7464248862. Its totient is φ = 7464248860.

The previous prime is 7464248849. The next prime is 7464248881. The reversal of 7464248861 is 1688424647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6885846361 + 578402500 = 82981^2 + 24050^2 .

It is a cyclic number.

It is not a de Polignac number, because 7464248861 - 2²² = 7460054557 is a prime.

It is a super-2 number, since 2×7464248861² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7464248801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3732124430 + 3732124431.

It is an arithmetic number, because the mean of its divisors is an integer number (3732124431).

Almost surely, 2^7464248861 is an apocalyptic number.

It is an amenable number.

7464248861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7464248861 is an equidigital number, since it uses as much as digits as its factorization.

7464248861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 50.

The square root of 7464248861 is about 86395.8845142522. The cubic root of 7464248861 is about 1954.3186215278.

The spelling of 7464248861 in words is "seven billion, four hundred sixty-four million, two hundred forty-eight thousand, eight hundred sixty-one".