7669720653 has 16 divisors (see below), whose sum is σ = 11727090816. Its totient is φ = 4367736000.

The previous prime is 7669720651. The next prime is 7669720661. The reversal of 7669720653 is 3560279667.

It is not a de Polignac number, because 7669720653 - 2¹ = 7669720651 is a prime.

It is a super-2 number, since 2×7669720653² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7669720596 and 7669720605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7669720651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617098 + ... + 629403.

It is an arithmetic number, because the mean of its divisors is an integer number (732943176).

Almost surely, 2^7669720653 is an apocalyptic number.

It is an amenable number.

7669720653 is a deficient number, since it is larger than the sum of its proper divisors (4057370163).

7669720653 is a wasteful number, since it uses less digits than its factorization.

7669720653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246804.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The square root of 7669720653 is about 87576.9413316085. The cubic root of 7669720653 is about 1972.0890216681.

The spelling of 7669720653 in words is "seven billion, six hundred sixty-nine million, seven hundred twenty thousand, six hundred fifty-three".