7129453090 has 32 divisors (see below), whose sum is σ = 13281997680. Its totient is φ = 2752103424.

The previous prime is 7129453057. The next prime is 7129453117. The reversal of 7129453090 is 903549217.

It can be written as a sum of positive squares in 8 ways, for example, as 3816644841 + 3312808249 = 61779^2 + 57557^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758902 + ... + 768238.

Almost surely, 2^7129453090 is an apocalyptic number.

7129453090 is a deficient number, since it is larger than the sum of its proper divisors (6152544590).

7129453090 is a wasteful number, since it uses less digits than its factorization.

7129453090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 7129453090 is about 84436.0887890954. The cubic root of 7129453090 is about 1924.6513645346.

The spelling of 7129453090 in words is "seven billion, one hundred twenty-nine million, four hundred fifty-three thousand, ninety".