42319497249 has 10 divisors (see below), whose sum is σ = 63218014530. Its totient is φ = 28212998112.

The previous prime is 42319497211. The next prime is 42319497257. The reversal of 42319497249 is 94279491324.

42319497249 is a `hidden beast` number, since 42 + 319 + 49 + 7 + 249 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32610942225 + 9708555024 = 180585^2 + 98532^2 .

It is not a de Polignac number, because 42319497249 - 2¹⁹ = 42318972961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42319497195 and 42319497204.

It is not an unprimeable number, because it can be changed into a prime (42319397249) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 261231384 + ... + 261231545.

It is an arithmetic number, because the mean of its divisors is an integer number (6321801453).

Almost surely, 2^42319497249 is an apocalyptic number.

It is an amenable number.

42319497249 is a deficient number, since it is larger than the sum of its proper divisors (20898517281).

42319497249 is an equidigital number, since it uses as much as digits as its factorization.

42319497249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522462941 (or 522462932 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 42319497249 in words is "forty-two billion, three hundred nineteen million, four hundred ninety-seven thousand, two hundred forty-nine".