2187506963 has 2 divisors, whose sum is σ = 2187506964. Its totient is φ = 2187506962.

The previous prime is 2187506957. The next prime is 2187506983. The reversal of 2187506963 is 3696057812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2187506963 - 2¹⁸ = 2187244819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2187506953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093753481 + 1093753482.

It is an arithmetic number, because the mean of its divisors is an integer number (1093753482).

Almost surely, 2^2187506963 is an apocalyptic number.

2187506963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187506963 is an equidigital number, since it uses as much as digits as its factorization.

2187506963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2187506963 is about 46770.7917722161. The cubic root of 2187506963 is about 1298.1249028075.

The spelling of 2187506963 in words is "two billion, one hundred eighty-seven million, five hundred six thousand, nine hundred sixty-three".