7243655060661 has 4 divisors (see below), whose sum is σ = 9658206747552. Its totient is φ = 4829103373772.

The previous prime is 7243655060639. The next prime is 7243655060683. The reversal of 7243655060661 is 1660605563427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7243655060639) and next prime (7243655060683).

It is a cyclic number.

It is not a de Polignac number, because 7243655060661 - 2⁶ = 7243655060597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243655060561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207275843441 + ... + 1207275843446.

It is an arithmetic number, because the mean of its divisors is an integer number (2414551686888).

Almost surely, 2^{7243655060661} is an apocalyptic number.

It is an amenable number.

7243655060661 is a deficient number, since it is larger than the sum of its proper divisors (2414551686891).

7243655060661 is a wasteful number, since it uses less digits than its factorization.

7243655060661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414551686890.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 7243655060661 in words is "seven trillion, two hundred forty-three billion, six hundred fifty-five million, sixty thousand, six hundred sixty-one".