1840916827 has 2 divisors, whose sum is σ = 1840916828. Its totient is φ = 1840916826.

The previous prime is 1840916809. The next prime is 1840916863. The reversal of 1840916827 is 7286190481.

It is a weak prime.

It is an emirp because it is prime and its reverse (7286190481) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1840916827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1840916807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920458413 + 920458414.

It is an arithmetic number, because the mean of its divisors is an integer number (920458414).

Almost surely, 2^1840916827 is an apocalyptic number.

1840916827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840916827 is an equidigital number, since it uses as much as digits as its factorization.

1840916827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 1840916827 is about 42905.9066679636. The cubic root of 1840916827 is about 1225.5886277323.

The spelling of 1840916827 in words is "one billion, eight hundred forty million, nine hundred sixteen thousand, eight hundred twenty-seven".