7049161729 has 4 divisors (see below), whose sum is σ = 7079415876. Its totient is φ = 7018907584.

The previous prime is 7049161711. The next prime is 7049161807. The reversal of 7049161729 is 9271619407.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2716494400 + 4332667329 = 52120^2 + 65823^2 .

It is a cyclic number.

It is not a de Polignac number, because 7049161729 - 2²³ = 7040773121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7049171729) 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, 15126724 + ... + 15127189.

It is an arithmetic number, because the mean of its divisors is an integer number (1769853969).

Almost surely, 2^7049161729 is an apocalyptic number.

It is an amenable number.

7049161729 is a deficient number, since it is larger than the sum of its proper divisors (30254147).

7049161729 is a wasteful number, since it uses less digits than its factorization.

7049161729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30254146.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 7049161729 is about 83959.2861391758. The cubic root of 7049161729 is about 1917.3989780800.

The spelling of 7049161729 in words is "seven billion, forty-nine million, one hundred sixty-one thousand, seven hundred twenty-nine".