42513804293 has 4 divisors (see below), whose sum is σ = 44751372960. Its totient is φ = 40276235628.

The previous prime is 42513804287. The next prime is 42513804299. The reversal of 42513804293 is 39240831524.

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 an interprime number because it is at equal distance from previous prime (42513804287) and next prime (42513804299).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42513804293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42513804293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513804299) 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, 1118784305 + ... + 1118784342.

It is an arithmetic number, because the mean of its divisors is an integer number (11187843240).

Almost surely, 2^42513804293 is an apocalyptic number.

It is an amenable number.

42513804293 is a deficient number, since it is larger than the sum of its proper divisors (2237568667).

42513804293 is a wasteful number, since it uses less digits than its factorization.

42513804293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237568666.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 42513804293 in words is "forty-two billion, five hundred thirteen million, eight hundred four thousand, two hundred ninety-three".