5017781903 has 2 divisors, whose sum is σ = 5017781904. Its totient is φ = 5017781902.

The previous prime is 5017781831. The next prime is 5017781921. The reversal of 5017781903 is 3091877105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5017781903 - 2⁸ = 5017781647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5017781983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508890951 + 2508890952.

It is an arithmetic number, because the mean of its divisors is an integer number (2508890952).

Almost surely, 2^5017781903 is an apocalyptic number.

5017781903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5017781903 is an equidigital number, since it uses as much as digits as its factorization.

5017781903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 5017781903 is about 70836.3035667446. The cubic root of 5017781903 is about 1712.0006567847. Note that the first 3 decimals are identical.

The spelling of 5017781903 in words is "five billion, seventeen million, seven hundred eighty-one thousand, nine hundred three".