42489698425 has 12 divisors (see below), whose sum is σ = 55786475196. Its totient is φ = 31992243200.

The previous prime is 42489698411. The next prime is 42489698429. The reversal of 42489698425 is 52489698424.

42489698425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 460188304 + 42029510121 = 21452^2 + 205011^2 .

It is not a de Polignac number, because 42489698425 - 2¹⁷ = 42489567353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42489698429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49987456 + ... + 49988305.

It is an arithmetic number, because the mean of its divisors is an integer number (4648872933).

Almost surely, 2^42489698425 is an apocalyptic number.

It is an amenable number.

42489698425 is a deficient number, since it is larger than the sum of its proper divisors (13296776771).

42489698425 is a wasteful number, since it uses less digits than its factorization.

42489698425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99975788 (or 99975783 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

Subtracting 42489698425 from its reverse (52489698424), we obtain a palindrome (9999999999).

The spelling of 42489698425 in words is "forty-two billion, four hundred eighty-nine million, six hundred ninety-eight thousand, four hundred twenty-five".