7058149649 has 4 divisors (see below), whose sum is σ = 7058553060. Its totient is φ = 7057746240.

The previous prime is 7058149643. The next prime is 7058149691. The reversal of 7058149649 is 9469418507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5343610000 + 1714539649 = 73100^2 + 41407^2 .

It is a cyclic number.

It is not a de Polignac number, because 7058149649 - 2¹² = 7058145553 is a prime.

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 7058149649.

It is not an unprimeable number, because it can be changed into a prime (7058149643) 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, 174212 + ... + 210869.

It is an arithmetic number, because the mean of its divisors is an integer number (1764638265).

Almost surely, 2^7058149649 is an apocalyptic number.

It is an amenable number.

7058149649 is a deficient number, since it is larger than the sum of its proper divisors (403411).

7058149649 is a wasteful number, since it uses less digits than its factorization.

7058149649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403410.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 7058149649 is about 84012.7945553533. The cubic root of 7058149649 is about 1918.2135481933.

The spelling of 7058149649 in words is "seven billion, fifty-eight million, one hundred forty-nine thousand, six hundred forty-nine".