7149046685 has 32 divisors (see below), whose sum is σ = 9878267520. Its totient is φ = 4912185600.

The previous prime is 7149046673. The next prime is 7149046693. The reversal of 7149046685 is 5866409417.

It is not a de Polignac number, because 7149046685 - 2¹⁰ = 7149045661 is a prime.

It is a super-2 number, since 2×7149046685² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380615 + ... + 398955.

It is an arithmetic number, because the mean of its divisors is an integer number (308695860).

Almost surely, 2^7149046685 is an apocalyptic number.

It is an amenable number.

7149046685 is a deficient number, since it is larger than the sum of its proper divisors (2729220835).

7149046685 is a wasteful number, since it uses less digits than its factorization.

7149046685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18749.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 7149046685 is about 84552.0353687598. The cubic root of 7149046685 is about 1926.4128996351.

The spelling of 7149046685 in words is "seven billion, one hundred forty-nine million, forty-six thousand, six hundred eighty-five".