4642453187 has 2 divisors, whose sum is σ = 4642453188. Its totient is φ = 4642453186.

The previous prime is 4642453181. The next prime is 4642453201. The reversal of 4642453187 is 7813542464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4642453187 - 2²² = 4638258883 is a prime.

It is not a weakly prime, because it can be changed into another prime (4642453181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321226593 + 2321226594.

It is an arithmetic number, because the mean of its divisors is an integer number (2321226594).

Almost surely, 2^4642453187 is an apocalyptic number.

4642453187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642453187 is an equidigital number, since it uses as much as digits as its factorization.

4642453187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The square root of 4642453187 is about 68135.5500968474. The cubic root of 4642453187 is about 1668.2040749405.

The spelling of 4642453187 in words is "four billion, six hundred forty-two million, four hundred fifty-three thousand, one hundred eighty-seven".