43148617453 has 2 divisors, whose sum is σ = 43148617454. Its totient is φ = 43148617452.

The previous prime is 43148617427. The next prime is 43148617471. The reversal of 43148617453 is 35471684134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27131690089 + 16016927364 = 164717^2 + 126558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43148617453 is a prime.

It is a super-4 number, since 4×43148617453⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43148617483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21574308726 + 21574308727.

It is an arithmetic number, because the mean of its divisors is an integer number (21574308727).

Almost surely, 2^43148617453 is an apocalyptic number.

It is an amenable number.

43148617453 is a deficient number, since it is larger than the sum of its proper divisors (1).

43148617453 is an equidigital number, since it uses as much as digits as its factorization.

43148617453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 46.

The spelling of 43148617453 in words is "forty-three billion, one hundred forty-eight million, six hundred seventeen thousand, four hundred fifty-three".