43150540949 has 2 divisors, whose sum is σ = 43150540950. Its totient is φ = 43150540948.

The previous prime is 43150540943. The next prime is 43150541051. The reversal of 43150540949 is 94904505134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25602240049 + 17548300900 = 160007^2 + 132470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43150540949 is a prime.

It is a super-3 number, since 3×43150540949³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43150540943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575270474 + 21575270475.

It is an arithmetic number, because the mean of its divisors is an integer number (21575270475).

Almost surely, 2^43150540949 is an apocalyptic number.

It is an amenable number.

43150540949 is a deficient number, since it is larger than the sum of its proper divisors (1).

43150540949 is an equidigital number, since it uses as much as digits as its factorization.

43150540949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 43150540949 in words is "forty-three billion, one hundred fifty million, five hundred forty thousand, nine hundred forty-nine".