3940912903 has 2 divisors, whose sum is σ = 3940912904. Its totient is φ = 3940912902.

The previous prime is 3940912831. The next prime is 3940912909. The reversal of 3940912903 is 3092190493.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940912903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940912909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970456451 + 1970456452.

It is an arithmetic number, because the mean of its divisors is an integer number (1970456452).

Almost surely, 2^3940912903 is an apocalyptic number.

3940912903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940912903 is an equidigital number, since it uses as much as digits as its factorization.

3940912903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3940912903 is about 62776.6907617788. The cubic root of 3940912903 is about 1579.5460030600.

The spelling of 3940912903 in words is "three billion, nine hundred forty million, nine hundred twelve thousand, nine hundred three".