42493689315655 has 8 divisors (see below), whose sum is σ = 51007553994384. Its totient is φ = 33984866908800.

The previous prime is 42493689315593. The next prime is 42493689315683. The reversal of 42493689315655 is 55651398639424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42493689315655 - 2³⁷ = 42356250362183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260549426 + ... + 1260583135.

It is an arithmetic number, because the mean of its divisors is an integer number (6375944249298).

Almost surely, 2^{42493689315655} is an apocalyptic number.

42493689315655 is a deficient number, since it is larger than the sum of its proper divisors (8513864678729).

42493689315655 is a wasteful number, since it uses less digits than its factorization.

42493689315655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521135937.

The product of its digits is 839808000, while the sum is 70.

The spelling of 42493689315655 in words is "forty-two trillion, four hundred ninety-three billion, six hundred eighty-nine million, three hundred fifteen thousand, six hundred fifty-five".