43098255391 has 2 divisors, whose sum is σ = 43098255392. Its totient is φ = 43098255390.

The previous prime is 43098255371. The next prime is 43098255407. The reversal of 43098255391 is 19355289034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43098255391 - 2¹⁷ = 43098124319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43098255371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21549127695 + 21549127696.

It is an arithmetic number, because the mean of its divisors is an integer number (21549127696).

Almost surely, 2^43098255391 is an apocalyptic number.

43098255391 is a deficient number, since it is larger than the sum of its proper divisors (1).

43098255391 is an equidigital number, since it uses as much as digits as its factorization.

43098255391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 43098255391 in words is "forty-three billion, ninety-eight million, two hundred fifty-five thousand, three hundred ninety-one".