42949903103 has 2 divisors, whose sum is σ = 42949903104. Its totient is φ = 42949903102.

The previous prime is 42949903099. The next prime is 42949903159. The reversal of 42949903103 is 30130994924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42949903103 - 2² = 42949903099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42949909103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21474951551 + 21474951552.

It is an arithmetic number, because the mean of its divisors is an integer number (21474951552).

Almost surely, 2^42949903103 is an apocalyptic number.

42949903103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42949903103 is an equidigital number, since it uses as much as digits as its factorization.

42949903103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 42949903103 in words is "forty-two billion, nine hundred forty-nine million, nine hundred three thousand, one hundred three".