7949058665 has 8 divisors (see below), whose sum is σ = 9572818248. Its totient is φ = 6336615040.

The previous prime is 7949058661. The next prime is 7949058697. The reversal of 7949058665 is 5668509497.

It can be written as a sum of positive squares in 4 ways, for example, as 3947357584 + 4001701081 = 62828^2 + 63259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7949058665 - 2² = 7949058661 is a prime.

It is a super-2 number, since 2×7949058665² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7949058661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827442 + ... + 2830251.

It is an arithmetic number, because the mean of its divisors is an integer number (1196602281).

Almost surely, 2^7949058665 is an apocalyptic number.

It is an amenable number.

7949058665 is a deficient number, since it is larger than the sum of its proper divisors (1623759583).

7949058665 is a wasteful number, since it uses less digits than its factorization.

7949058665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657979.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The square root of 7949058665 is about 89157.4935998091. The cubic root of 7949058665 is about 1995.7458462539.

The spelling of 7949058665 in words is "seven billion, nine hundred forty-nine million, fifty-eight thousand, six hundred sixty-five".