41819155645 has 8 divisors (see below), whose sum is σ = 50245022520. Its totient is φ = 33413967360.

The previous prime is 41819155633. The next prime is 41819155673. The reversal of 41819155645 is 54655191814.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11599505401 + 30219650244 = 107701^2 + 173838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41819155645 - 2²⁵ = 41785601213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165196 + ... + 5173285.

It is an arithmetic number, because the mean of its divisors is an integer number (6280627815).

Almost surely, 2^41819155645 is an apocalyptic number.

It is an amenable number.

41819155645 is a deficient number, since it is larger than the sum of its proper divisors (8425866875).

41819155645 is a wasteful number, since it uses less digits than its factorization.

41819155645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339295.

The product of its digits is 864000, while the sum is 49.

The spelling of 41819155645 in words is "forty-one billion, eight hundred nineteen million, one hundred fifty-five thousand, six hundred forty-five".