42048956903 has 2 divisors, whose sum is σ = 42048956904. Its totient is φ = 42048956902.

The previous prime is 42048956893. The next prime is 42048956933. The reversal of 42048956903 is 30965984024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42048956903 - 2¹² = 42048952807 is a prime.

It is a super-2 number, since 2×42048956903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42048956933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21024478451 + 21024478452.

It is an arithmetic number, because the mean of its divisors is an integer number (21024478452).

Almost surely, 2^42048956903 is an apocalyptic number.

42048956903 is a deficient number, since it is larger than the sum of its proper divisors (1).

42048956903 is an equidigital number, since it uses as much as digits as its factorization.

42048956903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 42048956903 in words is "forty-two billion, forty-eight million, nine hundred fifty-six thousand, nine hundred three".