42503986975 has 12 divisors (see below), whose sum is σ = 52707965760. Its totient is φ = 34001240000.

The previous prime is 42503986951. The next prime is 42503986999. The reversal of 42503986975 is 57968930524.

It is an interprime number because it is at equal distance from previous prime (42503986951) and next prime (42503986999).

It is not a de Polignac number, because 42503986975 - 2²¹ = 42501889823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531411 + ... + 606139.

It is an arithmetic number, because the mean of its divisors is an integer number (4392330480).

Almost surely, 2^42503986975 is an apocalyptic number.

42503986975 is a deficient number, since it is larger than the sum of its proper divisors (10203978785).

42503986975 is a wasteful number, since it uses less digits than its factorization.

42503986975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97490 (or 97485 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 42503986975 in words is "forty-two billion, five hundred three million, nine hundred eighty-six thousand, nine hundred seventy-five".