42497856373 has 16 divisors (see below), whose sum is σ = 48811175424. Its totient is φ = 36245341440.

The previous prime is 42497856319. The next prime is 42497856397. The reversal of 42497856373 is 37365879424.

It is a de Polignac number, because none of the positive numbers 2^k-42497856373 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 (42497856473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144436 + ... + 2164162.

It is an arithmetic number, because the mean of its divisors is an integer number (3050698464).

Almost surely, 2^42497856373 is an apocalyptic number.

It is an amenable number.

42497856373 is a deficient number, since it is larger than the sum of its proper divisors (6313319051).

42497856373 is a wasteful number, since it uses less digits than its factorization.

42497856373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21252.

The product of its digits is 30481920, while the sum is 58.

The spelling of 42497856373 in words is "forty-two billion, four hundred ninety-seven million, eight hundred fifty-six thousand, three hundred seventy-three".