84652892491 has 2 divisors, whose sum is σ = 84652892492. Its totient is φ = 84652892490.

The previous prime is 84652892449. The next prime is 84652892497. The reversal of 84652892491 is 19429825648.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84652892491 is a prime.

It is a super-2 number, since 2×84652892491² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84652892497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42326446245 + 42326446246.

It is an arithmetic number, because the mean of its divisors is an integer number (42326446246).

Almost surely, 2^84652892491 is an apocalyptic number.

84652892491 is a deficient number, since it is larger than the sum of its proper divisors (1).

84652892491 is an equidigital number, since it uses as much as digits as its factorization.

84652892491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 58.

The spelling of 84652892491 in words is "eighty-four billion, six hundred fifty-two million, eight hundred ninety-two thousand, four hundred ninety-one".