42745342503 has 4 divisors (see below), whose sum is σ = 56993790008. Its totient is φ = 28496895000.

The previous prime is 42745342469. The next prime is 42745342537. The reversal of 42745342503 is 30524354724.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42745342469) and next prime (42745342537).

It is not a de Polignac number, because 42745342503 - 2⁶ = 42745342439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42745342553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124223748 + ... + 7124223753.

It is an arithmetic number, because the mean of its divisors is an integer number (14248447502).

Almost surely, 2^42745342503 is an apocalyptic number.

42745342503 is a deficient number, since it is larger than the sum of its proper divisors (14248447505).

42745342503 is a wasteful number, since it uses less digits than its factorization.

42745342503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248447504.

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 42745342503 in words is "forty-two billion, seven hundred forty-five million, three hundred forty-two thousand, five hundred three".