46041681891 has 16 divisors (see below), whose sum is σ = 64224211968. Its totient is φ = 29308660800.

The previous prime is 46041681869. The next prime is 46041681899. The reversal of 46041681891 is 19818614064.

It is not a de Polignac number, because 46041681891 - 2¹¹ = 46041679843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46041681891.

It is not an unprimeable number, because it can be changed into a prime (46041681899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3976375 + ... + 3987936.

It is an arithmetic number, because the mean of its divisors is an integer number (4014013248).

Almost surely, 2^46041681891 is an apocalyptic number.

46041681891 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

46041681891 is a deficient number, since it is larger than the sum of its proper divisors (18182530077).

46041681891 is a wasteful number, since it uses less digits than its factorization.

46041681891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964402.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 46041681891 in words is "forty-six billion, forty-one million, six hundred eighty-one thousand, eight hundred ninety-one".