7646607139 has 16 divisors (see below), whose sum is σ = 7985340000. Its totient is φ = 7316580096.

The previous prime is 7646607127. The next prime is 7646607167. The reversal of 7646607139 is 9317066467.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7646607139 - 2⁷ = 7646607011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7646607092 and 7646607101.

It is not an unprimeable number, because it can be changed into a prime (7646607169) 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, 459537 + ... + 475885.

It is an arithmetic number, because the mean of its divisors is an integer number (499083750).

Almost surely, 2^7646607139 is an apocalyptic number.

7646607139 is a deficient number, since it is larger than the sum of its proper divisors (338732861).

7646607139 is a wasteful number, since it uses less digits than its factorization.

7646607139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 7646607139 is about 87444.8805762807. The cubic root of 7646607139 is about 1970.1059953962.

The spelling of 7646607139 in words is "seven billion, six hundred forty-six million, six hundred seven thousand, one hundred thirty-nine".