148437816469 has 2 divisors, whose sum is σ = 148437816470. Its totient is φ = 148437816468.

The previous prime is 148437816431. The next prime is 148437816503. The reversal of 148437816469 is 964618734841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147965623569 + 472192900 = 384663^2 + 21730^2 .

It is a cyclic number.

It is not a de Polignac number, because 148437816469 - 2⁷ = 148437816341 is a prime.

It is a super-2 number, since 2×148437816469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148437816409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74218908234 + 74218908235.

It is an arithmetic number, because the mean of its divisors is an integer number (74218908235).

Almost surely, 2^148437816469 is an apocalyptic number.

It is an amenable number.

148437816469 is a deficient number, since it is larger than the sum of its proper divisors (1).

148437816469 is an equidigital number, since it uses as much as digits as its factorization.

148437816469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 61.

The spelling of 148437816469 in words is "one hundred forty-eight billion, four hundred thirty-seven million, eight hundred sixteen thousand, four hundred sixty-nine".