43759994094431 has 2 divisors, whose sum is σ = 43759994094432. Its totient is φ = 43759994094430.

The previous prime is 43759994094409. The next prime is 43759994094433. The reversal of 43759994094431 is 13449049995734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43759994094431 - 2¹⁰ = 43759994093407 is a prime.

It is a super-2 number, since 2×43759994094431² (a number of 28 digits) contains 22 as substring.

Together with 43759994094433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43759994094433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21879997047215 + 21879997047216.

It is an arithmetic number, because the mean of its divisors is an integer number (21879997047216).

Almost surely, 2^{43759994094431} is an apocalyptic number.

43759994094431 is a deficient number, since it is larger than the sum of its proper divisors (1).

43759994094431 is an equidigital number, since it uses as much as digits as its factorization.

43759994094431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529079040, while the sum is 71.

The spelling of 43759994094431 in words is "forty-three trillion, seven hundred fifty-nine billion, nine hundred ninety-four million, ninety-four thousand, four hundred thirty-one".