1812464963 has 2 divisors, whose sum is σ = 1812464964. Its totient is φ = 1812464962.

The previous prime is 1812464959. The next prime is 1812464981. The reversal of 1812464963 is 3694642181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1812464963 - 2² = 1812464959 is a prime.

It is not a weakly prime, because it can be changed into another prime (1812464923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906232481 + 906232482.

It is an arithmetic number, because the mean of its divisors is an integer number (906232482).

Almost surely, 2^1812464963 is an apocalyptic number.

1812464963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1812464963 is an equidigital number, since it uses as much as digits as its factorization.

1812464963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 1812464963 is about 42573.0544241308. The cubic root of 1812464963 is about 1219.2418838769.

The spelling of 1812464963 in words is "one billion, eight hundred twelve million, four hundred sixty-four thousand, nine hundred sixty-three".