7664641045 has 16 divisors (see below), whose sum is σ = 9278051328. Its totient is φ = 6078188160.

The previous prime is 7664641037. The next prime is 7664641051. The reversal of 7664641045 is 5401464667.

It is not a de Polignac number, because 7664641045 - 2³ = 7664641037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7664640992 and 7664641010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490300 + ... + 505690.

It is an arithmetic number, because the mean of its divisors is an integer number (579878208).

Almost surely, 2^7664641045 is an apocalyptic number.

It is an amenable number.

7664641045 is a deficient number, since it is larger than the sum of its proper divisors (1613410283).

7664641045 is a wasteful number, since it uses less digits than its factorization.

7664641045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 7664641045 is about 87547.9356981077. The cubic root of 7664641045 is about 1971.6535581124.

The spelling of 7664641045 in words is "seven billion, six hundred sixty-four million, six hundred forty-one thousand, forty-five".