41061631642 has 4 divisors (see below), whose sum is σ = 61592447466. Its totient is φ = 20530815820.

The previous prime is 41061631621. The next prime is 41061631739. The reversal of 41061631642 is 24613616014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36385944001 + 4675687641 = 190751^2 + 68379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41061631598 and 41061631607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10265407909 + ... + 10265407912.

Almost surely, 2^41061631642 is an apocalyptic number.

41061631642 is a deficient number, since it is larger than the sum of its proper divisors (20530815824).

41061631642 is a wasteful number, since it uses less digits than its factorization.

41061631642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530815823.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 41061631642 in words is "forty-one billion, sixty-one million, six hundred thirty-one thousand, six hundred forty-two".