43241251951 has 2 divisors, whose sum is σ = 43241251952. Its totient is φ = 43241251950.

The previous prime is 43241251891. The next prime is 43241251967. The reversal of 43241251951 is 15915214234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43241251951 - 2³³ = 34651317359 is a prime.

It is a super-2 number, since 2×43241251951² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43241251951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43241251981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620625975 + 21620625976.

It is an arithmetic number, because the mean of its divisors is an integer number (21620625976).

Almost surely, 2^43241251951 is an apocalyptic number.

43241251951 is a deficient number, since it is larger than the sum of its proper divisors (1).

43241251951 is an equidigital number, since it uses as much as digits as its factorization.

43241251951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The spelling of 43241251951 in words is "forty-three billion, two hundred forty-one million, two hundred fifty-one thousand, nine hundred fifty-one".