4978924091 has 2 divisors, whose sum is σ = 4978924092. Its totient is φ = 4978924090.

The previous prime is 4978924031. The next prime is 4978924099. The reversal of 4978924091 is 1904298794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4978924091 - 2¹⁴ = 4978907707 is a prime.

It is not a weakly prime, because it can be changed into another prime (4978924099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489462045 + 2489462046.

It is an arithmetic number, because the mean of its divisors is an integer number (2489462046).

Almost surely, 2^4978924091 is an apocalyptic number.

4978924091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978924091 is an equidigital number, since it uses as much as digits as its factorization.

4978924091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 4978924091 is about 70561.4915587816. The cubic root of 4978924091 is about 1707.5699430929.

The spelling of 4978924091 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, ninety-one".