148588771493 has 2 divisors, whose sum is σ = 148588771494. Its totient is φ = 148588771492.

The previous prime is 148588771469. The next prime is 148588771511. The reversal of 148588771493 is 394177885841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137480033089 + 11108738404 = 370783^2 + 105398^2 .

It is an emirp because it is prime and its reverse (394177885841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148588771493 - 2¹⁴ = 148588755109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148588771403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74294385746 + 74294385747.

It is an arithmetic number, because the mean of its divisors is an integer number (74294385747).

Almost surely, 2^148588771493 is an apocalyptic number.

It is an amenable number.

148588771493 is a deficient number, since it is larger than the sum of its proper divisors (1).

148588771493 is an equidigital number, since it uses as much as digits as its factorization.

148588771493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54190080, while the sum is 65.

The spelling of 148588771493 in words is "one hundred forty-eight billion, five hundred eighty-eight million, seven hundred seventy-one thousand, four hundred ninety-three".