7031706149 has 4 divisors (see below), whose sum is σ = 7572606636. Its totient is φ = 6490805664.

The previous prime is 7031706137. The next prime is 7031706163. The reversal of 7031706149 is 9416071307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9416071307 = 373 ⋅25244159.

It can be written as a sum of positive squares in 2 ways, for example, as 751143649 + 6280562500 = 27407^2 + 79250^2 .

It is a cyclic number.

It is not a de Polignac number, because 7031706149 - 2¹² = 7031702053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7031706169) 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, 270450224 + ... + 270450249.

It is an arithmetic number, because the mean of its divisors is an integer number (1893151659).

Almost surely, 2^7031706149 is an apocalyptic number.

It is an amenable number.

7031706149 is a deficient number, since it is larger than the sum of its proper divisors (540900487).

7031706149 is a wasteful number, since it uses less digits than its factorization.

7031706149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540900486.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 7031706149 is about 83855.2690592547. The cubic root of 7031706149 is about 1915.8150083880.

The spelling of 7031706149 in words is "seven billion, thirty-one million, seven hundred six thousand, one hundred forty-nine".