148491878599 has 2 divisors, whose sum is σ = 148491878600. Its totient is φ = 148491878598.

The previous prime is 148491878597. The next prime is 148491878653. The reversal of 148491878599 is 995878194841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148491878599 - 2¹ = 148491878597 is a prime.

Together with 148491878597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148491878597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74245939299 + 74245939300.

It is an arithmetic number, because the mean of its divisors is an integer number (74245939300).

Almost surely, 2^148491878599 is an apocalyptic number.

148491878599 is a deficient number, since it is larger than the sum of its proper divisors (1).

148491878599 is an equidigital number, since it uses as much as digits as its factorization.

148491878599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 73.

The spelling of 148491878599 in words is "one hundred forty-eight billion, four hundred ninety-one million, eight hundred seventy-eight thousand, five hundred ninety-nine".