43661961098 has 16 divisors (see below), whose sum is σ = 77263563264. Its totient is φ = 18108647280.

The previous prime is 43661961071. The next prime is 43661961149. The reversal of 43661961098 is 89016916634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50301365 + ... + 50302232.

It is an arithmetic number, because the mean of its divisors is an integer number (4828972704).

Almost surely, 2^43661961098 is an apocalyptic number.

43661961098 is a deficient number, since it is larger than the sum of its proper divisors (33601602166).

43661961098 is a wasteful number, since it uses less digits than its factorization.

43661961098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100603637.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 43661961098 in words is "forty-three billion, six hundred sixty-one million, nine hundred sixty-one thousand, ninety-eight".