42449854253 has 8 divisors (see below), whose sum is σ = 42522278976. Its totient is φ = 42377493600.

The previous prime is 42449854243. The next prime is 42449854261. The reversal of 42449854253 is 35245894424.

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 42449854253 - 2¹⁴ = 42449837869 is a prime.

It is a super-2 number, since 2×42449854253² (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 (42449854243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417313 + ... + 1446953.

It is an arithmetic number, because the mean of its divisors is an integer number (5315284872).

Almost surely, 2^42449854253 is an apocalyptic number.

It is an amenable number.

42449854253 is a deficient number, since it is larger than the sum of its proper divisors (72424723).

42449854253 is a wasteful number, since it uses less digits than its factorization.

42449854253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32035.

The product of its digits is 5529600, while the sum is 50.

The spelling of 42449854253 in words is "forty-two billion, four hundred forty-nine million, eight hundred fifty-four thousand, two hundred fifty-three".