148797579493 has 8 divisors (see below), whose sum is σ = 154589175000. Its totient is φ = 143050027008.

The previous prime is 148797579473. The next prime is 148797579569. The reversal of 148797579493 is 394975797841.

It can be written as a sum of positive squares in 4 ways, for example, as 21204310689 + 127593268804 = 145617^2 + 357202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148797579493 - 2¹³ = 148797571301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148797579473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11003868 + ... + 11017381.

It is an arithmetic number, because the mean of its divisors is an integer number (19323646875).

Almost surely, 2^148797579493 is an apocalyptic number.

It is an amenable number.

148797579493 is a deficient number, since it is larger than the sum of its proper divisors (5791595507).

148797579493 is a wasteful number, since it uses less digits than its factorization.

148797579493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021511.

The product of its digits is 480090240, while the sum is 73.

The spelling of 148797579493 in words is "one hundred forty-eight billion, seven hundred ninety-seven million, five hundred seventy-nine thousand, four hundred ninety-three".