45609389287 has 48 divisors (see below), whose sum is σ = 61392228480. Its totient is φ = 33411268800.

The previous prime is 45609389279. The next prime is 45609389291. The reversal of 45609389287 is 78298390654.

It is not a de Polignac number, because 45609389287 - 2³ = 45609389279 is a prime.

It is a super-2 number, since 2×45609389287² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45609389227) 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 47 ways as a sum of consecutive naturals, for example, 1324573 + ... + 1358569.

It is an arithmetic number, because the mean of its divisors is an integer number (1279004760).

Almost surely, 2^45609389287 is an apocalyptic number.

45609389287 is a deficient number, since it is larger than the sum of its proper divisors (15782839193).

45609389287 is a wasteful number, since it uses less digits than its factorization.

45609389287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34172 (or 34165 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 45609389287 in words is "forty-five billion, six hundred nine million, three hundred eighty-nine thousand, two hundred eighty-seven".