148019989547 has 2 divisors, whose sum is σ = 148019989548. Its totient is φ = 148019989546.

The previous prime is 148019989511. The next prime is 148019989561. The reversal of 148019989547 is 745989910841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148019989547 - 2⁶ = 148019989483 is a prime.

It is not a weakly prime, because it can be changed into another prime (148019983547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74009994773 + 74009994774.

It is an arithmetic number, because the mean of its divisors is an integer number (74009994774).

Almost surely, 2^148019989547 is an apocalyptic number.

148019989547 is a deficient number, since it is larger than the sum of its proper divisors (1).

148019989547 is an equidigital number, since it uses as much as digits as its factorization.

148019989547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 148019989547 in words is "one hundred forty-eight billion, nineteen million, nine hundred eighty-nine thousand, five hundred forty-seven".