7634630443661 has 6 divisors (see below), whose sum is σ = 8267085036810. Its totient is φ = 7047351178608.

The previous prime is 7634630443639. The next prime is 7634630443673. The reversal of 7634630443661 is 1663440364367.

It can be written as a sum of positive squares in 3 ways, for example, as 164215405225 + 7470415038436 = 405235^2 + 2733206^2 .

It is not a de Polignac number, because 7634630443661 - 2⁶ = 7634630443597 is a prime.

It is a super-2 number, since 2×7634630443661² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7634630445661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22587663866 + ... + 22587664203.

It is an arithmetic number, because the mean of its divisors is an integer number (1377847506135).

Almost surely, 2^{7634630443661} is an apocalyptic number.

It is an amenable number.

7634630443661 is a deficient number, since it is larger than the sum of its proper divisors (632454593149).

7634630443661 is a wasteful number, since it uses less digits than its factorization.

7634630443661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175328095 (or 45175328082 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 53.

The spelling of 7634630443661 in words is "seven trillion, six hundred thirty-four billion, six hundred thirty million, four hundred forty-three thousand, six hundred sixty-one".