4904993091 has 4 divisors (see below), whose sum is σ = 6539990792. Its totient is φ = 3269995392.

The previous prime is 4904993081. The next prime is 4904993113. The reversal of 4904993091 is 1903994094.

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

It is not a de Polignac number, because 4904993091 - 2¹¹ = 4904991043 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 4904993091.

It is not an unprimeable number, because it can be changed into a prime (4904993081) 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, 817498846 + ... + 817498851.

It is an arithmetic number, because the mean of its divisors is an integer number (1634997698).

Almost surely, 2^4904993091 is an apocalyptic number.

4904993091 is a deficient number, since it is larger than the sum of its proper divisors (1634997701).

4904993091 is a wasteful number, since it uses less digits than its factorization.

4904993091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634997700.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 4904993091 is about 70035.6558547145. The cubic root of 4904993091 is about 1699.0759789311.

The spelling of 4904993091 in words is "four billion, nine hundred four million, nine hundred ninety-three thousand, ninety-one".