7038590091 has 16 divisors (see below), whose sum is σ = 10116368640. Its totient is φ = 4327293600.

The previous prime is 7038590057. The next prime is 7038590093. The reversal of 7038590091 is 1900958307.

It is a happy number.

It is not a de Polignac number, because 7038590091 - 2⁷ = 7038589963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7038590093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44871 + ... + 126848.

It is an arithmetic number, because the mean of its divisors is an integer number (632273040).

Almost surely, 2^7038590091 is an apocalyptic number.

7038590091 is a deficient number, since it is larger than the sum of its proper divisors (3077778549).

7038590091 is a wasteful number, since it uses less digits than its factorization.

7038590091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172786.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 7038590091 is about 83896.3055861222. The cubic root of 7038590091 is about 1916.4399898515.

The spelling of 7038590091 in words is "seven billion, thirty-eight million, five hundred ninety thousand, ninety-one".