7049728069 has 4 divisors (see below), whose sum is σ = 7053968896. Its totient is φ = 7045487244.

The previous prime is 7049728051. The next prime is 7049728097. The reversal of 7049728069 is 9608279407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9608279407 = 31 ⋅309944497.

It is a cyclic number.

It is not a de Polignac number, because 7049728069 - 2⁷ = 7049727941 is a prime.

It is a super-2 number, since 2×7049728069² = 99397331693692937522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7049728019) 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, 2117919 + ... + 2121244.

It is an arithmetic number, because the mean of its divisors is an integer number (1763492224).

Almost surely, 2^7049728069 is an apocalyptic number.

It is an amenable number.

7049728069 is a deficient number, since it is larger than the sum of its proper divisors (4240827).

7049728069 is a wasteful number, since it uses less digits than its factorization.

7049728069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240826.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7049728069 is about 83962.6587775780. The cubic root of 7049728069 is about 1917.4503255876.

The spelling of 7049728069 in words is "seven billion, forty-nine million, seven hundred twenty-eight thousand, sixty-nine".