2669145630 has 64 divisors (see below), whose sum is σ = 6708579840. Its totient is φ = 678370176.

The previous prime is 2669145629. The next prime is 2669145637. The reversal of 2669145630 is 365419662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669145637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188436 + ... + 202104.

It is an arithmetic number, because the mean of its divisors is an integer number (104821560).

Almost surely, 2^2669145630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2669145630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354289920).

2669145630 is an abundant number, since it is smaller than the sum of its proper divisors (4039434210).

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

2669145630 is a wasteful number, since it uses less digits than its factorization.

2669145630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2669145630 is about 51663.7748330491. The cubic root of 2669145630 is about 1387.1521199113.

The spelling of 2669145630 in words is "two billion, six hundred sixty-nine million, one hundred forty-five thousand, six hundred thirty".