41691091003 has 2 divisors, whose sum is σ = 41691091004. Its totient is φ = 41691091002.

The previous prime is 41691090997. The next prime is 41691091033. The reversal of 41691091003 is 30019019614.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41691091003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41691091003.

It is not a weakly prime, because it can be changed into another prime (41691091033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20845545501 + 20845545502.

It is an arithmetic number, because the mean of its divisors is an integer number (20845545502).

Almost surely, 2^41691091003 is an apocalyptic number.

41691091003 is a deficient number, since it is larger than the sum of its proper divisors (1).

41691091003 is an equidigital number, since it uses as much as digits as its factorization.

41691091003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 41691091003 in words is "forty-one billion, six hundred ninety-one million, ninety-one thousand, three".