7091057429 has 8 divisors (see below), whose sum is σ = 7197599640. Its totient is φ = 6984769536.

The previous prime is 7091057411. The next prime is 7091057443. The reversal of 7091057429 is 9247501907.

It can be written as a sum of positive squares in 4 ways, for example, as 117137329 + 6973920100 = 10823^2 + 83510^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7091057429 - 2⁸ = 7091057173 is a prime.

It is a super-2 number, since 2×7091057429² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7091057429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7091050429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022 + ... + 119295.

It is an arithmetic number, because the mean of its divisors is an integer number (899699955).

Almost surely, 2^7091057429 is an apocalyptic number.

It is an amenable number.

7091057429 is a deficient number, since it is larger than the sum of its proper divisors (106542211).

7091057429 is a wasteful number, since it uses less digits than its factorization.

7091057429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127159.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 7091057429 is about 84208.4166161554. The cubic root of 7091057429 is about 1921.1900742875.

The spelling of 7091057429 in words is "seven billion, ninety-one million, fifty-seven thousand, four hundred twenty-nine".