7446769661 has 4 divisors (see below), whose sum is σ = 7448341824. Its totient is φ = 7445197500.

The previous prime is 7446769621. The next prime is 7446769663. The reversal of 7446769661 is 1669676447.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 7446769661 - 2⁶ = 7446769597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7446769597 and 7446769606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7446769663) 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, 778955 + ... + 788456.

It is an arithmetic number, because the mean of its divisors is an integer number (1862085456).

Almost surely, 2^7446769661 is an apocalyptic number.

It is an amenable number.

7446769661 is a deficient number, since it is larger than the sum of its proper divisors (1572163).

7446769661 is a wasteful number, since it uses less digits than its factorization.

7446769661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572162.

The product of its digits is 9144576, while the sum is 56.

The square root of 7446769661 is about 86294.6676278436. The cubic root of 7446769661 is about 1952.7919385448.

The spelling of 7446769661 in words is "seven billion, four hundred forty-six million, seven hundred sixty-nine thousand, six hundred sixty-one".