42387949625 has 64 divisors (see below), whose sum is σ = 61484147712. Its totient is φ = 28574784000.

The previous prime is 42387949621. The next prime is 42387949663. The reversal of 42387949625 is 52694978324.

It is not a de Polignac number, because 42387949625 - 2² = 42387949621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42387949621) 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 63 ways as a sum of consecutive naturals, for example, 28390379 + ... + 28391871.

It is an arithmetic number, because the mean of its divisors is an integer number (960689808).

Almost surely, 2^42387949625 is an apocalyptic number.

It is an amenable number.

42387949625 is a deficient number, since it is larger than the sum of its proper divisors (19096198087).

42387949625 is a wasteful number, since it uses less digits than its factorization.

42387949625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2033 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 42387949625 in words is "forty-two billion, three hundred eighty-seven million, nine hundred forty-nine thousand, six hundred twenty-five".