43152885491 has 2 divisors, whose sum is σ = 43152885492. Its totient is φ = 43152885490.

The previous prime is 43152885473. The next prime is 43152885497. The reversal of 43152885491 is 19458825134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43152885491 - 2¹⁸ = 43152623347 is a prime.

It is a super-2 number, since 2×43152885491² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (43152885497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21576442745 + 21576442746.

It is an arithmetic number, because the mean of its divisors is an integer number (21576442746).

Almost surely, 2^43152885491 is an apocalyptic number.

43152885491 is a deficient number, since it is larger than the sum of its proper divisors (1).

43152885491 is an equidigital number, since it uses as much as digits as its factorization.

43152885491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 50.

The spelling of 43152885491 in words is "forty-three billion, one hundred fifty-two million, eight hundred eighty-five thousand, four hundred ninety-one".