1801493107 has 2 divisors, whose sum is σ = 1801493108. Its totient is φ = 1801493106.

The previous prime is 1801493093. The next prime is 1801493117. The reversal of 1801493107 is 7013941081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1801493107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1801493117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900746553 + 900746554.

It is an arithmetic number, because the mean of its divisors is an integer number (900746554).

Almost surely, 2^1801493107 is an apocalyptic number.

1801493107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1801493107 is an equidigital number, since it uses as much as digits as its factorization.

1801493107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1801493107 is about 42443.9996583734. Note that the first 3 decimals coincide. The cubic root of 1801493107 is about 1216.7766535043.

The spelling of 1801493107 in words is "one billion, eight hundred one million, four hundred ninety-three thousand, one hundred seven".