7463353661 has 2 divisors, whose sum is σ = 7463353662. Its totient is φ = 7463353660.

The previous prime is 7463353631. The next prime is 7463353679. The reversal of 7463353661 is 1663533647.

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., 7153945561 + 309408100 = 84581^2 + 17590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7463353661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7463353631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3731676830 + 3731676831.

It is an arithmetic number, because the mean of its divisors is an integer number (3731676831).

Almost surely, 2^7463353661 is an apocalyptic number.

It is an amenable number.

7463353661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7463353661 is an equidigital number, since it uses as much as digits as its factorization.

7463353661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The square root of 7463353661 is about 86390.7035565749. The cubic root of 7463353661 is about 1954.2404901575.

The spelling of 7463353661 in words is "seven billion, four hundred sixty-three million, three hundred fifty-three thousand, six hundred sixty-one".