4092973891 has 2 divisors, whose sum is σ = 4092973892. Its totient is φ = 4092973890.

The previous prime is 4092973867. The next prime is 4092973903. The reversal of 4092973891 is 1983792904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4092973891 - 2¹¹ = 4092971843 is a prime.

It is not a weakly prime, because it can be changed into another prime (4092973811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2046486945 + 2046486946.

It is an arithmetic number, because the mean of its divisors is an integer number (2046486946).

Almost surely, 2^4092973891 is an apocalyptic number.

4092973891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4092973891 is an equidigital number, since it uses as much as digits as its factorization.

4092973891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 4092973891 is about 63976.3541552658. The cubic root of 4092973891 is about 1599.6058783162.

The spelling of 4092973891 in words is "four billion, ninety-two million, nine hundred seventy-three thousand, eight hundred ninety-one".