43864352797 has 2 divisors, whose sum is σ = 43864352798. Its totient is φ = 43864352796.

The previous prime is 43864352789. The next prime is 43864352827. The reversal of 43864352797 is 79725346834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41509580121 + 2354772676 = 203739^2 + 48526^2 .

It is a cyclic number.

It is not a de Polignac number, because 43864352797 - 2³ = 43864352789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43864352297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21932176398 + 21932176399.

It is an arithmetic number, because the mean of its divisors is an integer number (21932176399).

Almost surely, 2^43864352797 is an apocalyptic number.

It is an amenable number.

43864352797 is a deficient number, since it is larger than the sum of its proper divisors (1).

43864352797 is an equidigital number, since it uses as much as digits as its factorization.

43864352797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 58.

The spelling of 43864352797 in words is "forty-three billion, eight hundred sixty-four million, three hundred fifty-two thousand, seven hundred ninety-seven".