42548515493 has 8 divisors (see below), whose sum is σ = 46435843296. Its totient is φ = 38664401200.

The previous prime is 42548515489. The next prime is 42548515553. The reversal of 42548515493 is 39451584524.

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

It is a cyclic number.

It is not a de Polignac number, because 42548515493 - 2² = 42548515489 is a prime.

It is a super-2 number, since 2×42548515493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42548515453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775646 + ... + 828687.

It is an arithmetic number, because the mean of its divisors is an integer number (5804480412).

Almost surely, 2^42548515493 is an apocalyptic number.

It is an amenable number.

42548515493 is a deficient number, since it is larger than the sum of its proper divisors (3887327803).

42548515493 is a wasteful number, since it uses less digits than its factorization.

42548515493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606755.

The product of its digits is 3456000, while the sum is 50.

The spelling of 42548515493 in words is "forty-two billion, five hundred forty-eight million, five hundred fifteen thousand, four hundred ninety-three".