2389909662 has 48 divisors (see below), whose sum is σ = 6121945440. Its totient is φ = 659284416.

The previous prime is 2389909649. The next prime is 2389909663. The reversal of 2389909662 is 2669099832.

It is a junction number, because it is equal to n+sod(n) for n = 2389909599 and 2389909608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389909663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323373 + ... + 330680.

It is an arithmetic number, because the mean of its divisors is an integer number (127540530).

Almost surely, 2^2389909662 is an apocalyptic number.

2389909662 is an abundant number, since it is smaller than the sum of its proper divisors (3732035778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2389909662 is a wasteful number, since it uses less digits than its factorization.

2389909662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654097 (or 654094 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 2389909662 is about 48886.7023023644. The cubic root of 2389909662 is about 1336.9869297940.

The spelling of 2389909662 in words is "two billion, three hundred eighty-nine million, nine hundred nine thousand, six hundred sixty-two".