5091459090 has 32 divisors (see below), whose sum is σ = 12281544000. Its totient is φ = 1350828864.

The previous prime is 5091459077. The next prime is 5091459143. The reversal of 5091459090 is 909541905.

It is a happy number.

It is a Curzon number.

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, 424840 + ... + 436659.

It is an arithmetic number, because the mean of its divisors is an integer number (383798250).

Almost surely, 2^5091459090 is an apocalyptic number.

5091459090 is an abundant number, since it is smaller than the sum of its proper divisors (7190084910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5091459090 is a wasteful number, since it uses less digits than its factorization.

5091459090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861706.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 5091459090 is about 71354.4608976902. The cubic root of 5091459090 is about 1720.3392032019.

The spelling of 5091459090 in words is "five billion, ninety-one million, four hundred fifty-nine thousand, ninety".