42868042501 has 4 divisors (see below), whose sum is σ = 43083460000. Its totient is φ = 42652625004.

The previous prime is 42868042493. The next prime is 42868042513. The reversal of 42868042501 is 10524086824.

It is a happy number.

42868042501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42868042501 - 2³ = 42868042493 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 (42868042531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107708451 + ... + 107708848.

It is an arithmetic number, because the mean of its divisors is an integer number (10770865000).

Almost surely, 2^42868042501 is an apocalyptic number.

It is an amenable number.

42868042501 is a deficient number, since it is larger than the sum of its proper divisors (215417499).

42868042501 is a wasteful number, since it uses less digits than its factorization.

42868042501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215417498.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 42868042501 in words is "forty-two billion, eight hundred sixty-eight million, forty-two thousand, five hundred one".