7149596685 has 32 divisors (see below), whose sum is σ = 14262054912. Its totient is φ = 2971260480.

The previous prime is 7149596639. The next prime is 7149596689. The reversal of 7149596685 is 5866959417.

It is not a de Polignac number, because 7149596685 - 2¹⁴ = 7149580301 is a prime.

It is a super-2 number, since 2×7149596685² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149596689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3093909 + ... + 3096218.

It is an arithmetic number, because the mean of its divisors is an integer number (445689216).

Almost surely, 2^7149596685 is an apocalyptic number.

It is an amenable number.

7149596685 is a deficient number, since it is larger than the sum of its proper divisors (7112458227).

7149596685 is a wasteful number, since it uses less digits than its factorization.

7149596685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190153.

The product of its digits is 16329600, while the sum is 60.

The square root of 7149596685 is about 84555.2877412170. The cubic root of 7149596685 is about 1926.4623001576.

The spelling of 7149596685 in words is "seven billion, one hundred forty-nine million, five hundred ninety-six thousand, six hundred eighty-five".