2125669662 has 16 divisors (see below), whose sum is σ = 4723710480. Its totient is φ = 708556536.

The previous prime is 2125669661. The next prime is 2125669703. The reversal of 2125669662 is 2669665212.

It is a happy number.

2125669662 is a `hidden beast` number, since 21 + 2 + 566 + 9 + 6 + 62 = 666.

It is a super-3 number, since 3×2125669662³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125669661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19682073 + ... + 19682180.

It is an arithmetic number, because the mean of its divisors is an integer number (295231905).

Almost surely, 2^2125669662 is an apocalyptic number.

2125669662 is an abundant number, since it is smaller than the sum of its proper divisors (2598040818).

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

2125669662 is a wasteful number, since it uses less digits than its factorization.

2125669662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364264 (or 39364258 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2125669662 is about 46104.9852185206. The cubic root of 2125669662 is about 1285.7758313078.

The spelling of 2125669662 in words is "two billion, one hundred twenty-five million, six hundred sixty-nine thousand, six hundred sixty-two".