2134879650 has 72 divisors (see below), whose sum is σ = 5890775124. Its totient is φ = 553910400.

The previous prime is 2134879639. The next prime is 2134879651. The reversal of 2134879650 is 569784312.

2134879650 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1236858561 + 898021089 = 35169^2 + 29967^2 .

It is a super-2 number, since 2×2134879650² = 9115422239968245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

2134879650 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2134879596 and 2134879605.

It is not an unprimeable number, because it can be changed into a prime (2134879651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 47461 + ... + 80760.

It is a 1-persistent number, because it is pandigital, but 2⋅2134879650 = 4269759300 is not.

Almost surely, 2^2134879650 is an apocalyptic number.

2134879650 is an abundant number, since it is smaller than the sum of its proper divisors (3755895474).

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

2134879650 is a wasteful number, since it uses less digits than its factorization.

2134879650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128276 (or 128268 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2134879650 is about 46204.7578718902. The cubic root of 2134879650 is about 1287.6301360902.

The spelling of 2134879650 in words is "two billion, one hundred thirty-four million, eight hundred seventy-nine thousand, six hundred fifty".