7249047929 has 4 divisors (see below), whose sum is σ = 7256148900. Its totient is φ = 7241946960.

The previous prime is 7249047907. The next prime is 7249047947. The reversal of 7249047929 is 9297409427.

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 3739077904 + 3509970025 = 61148^2 + 59245^2 .

It is a cyclic number.

It is not a de Polignac number, because 7249047929 - 2¹² = 7249043833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7249047989) 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, 3548954 + ... + 3550995.

It is an arithmetic number, because the mean of its divisors is an integer number (1814037225).

Almost surely, 2^7249047929 is an apocalyptic number.

It is an amenable number.

7249047929 is a deficient number, since it is larger than the sum of its proper divisors (7100971).

7249047929 is a wasteful number, since it uses less digits than its factorization.

7249047929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100970.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 7249047929 is about 85141.3408926592. The cubic root of 7249047929 is about 1935.3535959294.

The spelling of 7249047929 in words is "seven billion, two hundred forty-nine million, forty-seven thousand, nine hundred twenty-nine".