7214970789 has 12 divisors (see below), whose sum is σ = 11223288076. Its totient is φ = 4439981952.

The previous prime is 7214970779. The next prime is 7214970839. The reversal of 7214970789 is 9870794127.

7214970789 is a `hidden beast` number, since 72 + 1 + 497 + 0 + 7 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2166157764 + 5048813025 = 46542^2 + 71055^2 .

It is not a de Polignac number, because 7214970789 - 2⁴ = 7214970773 is a prime.

It is a super-2 number, since 2×7214970789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214970739) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30833092 + ... + 30833325.

Almost surely, 2^7214970789 is an apocalyptic number.

It is an amenable number.

7214970789 is a deficient number, since it is larger than the sum of its proper divisors (4008317287).

7214970789 is a wasteful number, since it uses less digits than its factorization.

7214970789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61666436 (or 61666433 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 7214970789 is about 84940.9841537052. The cubic root of 7214970789 is about 1932.3161887822.

The spelling of 7214970789 in words is "seven billion, two hundred fourteen million, nine hundred seventy thousand, seven hundred eighty-nine".