2128532670 has 96 divisors (see below), whose sum is σ = 6200569440. Its totient is φ = 502053120.

The previous prime is 2128532657. The next prime is 2128532683. The reversal of 2128532670 is 762358212.

It is an interprime number because it is at equal distance from previous prime (2128532657) and next prime (2128532683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7576 + ... + 65684.

It is an arithmetic number, because the mean of its divisors is an integer number (64589265).

Almost surely, 2^2128532670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128532670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100284720).

2128532670 is an abundant number, since it is smaller than the sum of its proper divisors (4072036770).

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

2128532670 is a wasteful number, since it uses less digits than its factorization.

2128532670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58170 (or 58167 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2128532670 is about 46136.0235607708. The cubic root of 2128532670 is about 1286.3528314402.

The spelling of 2128532670 in words is "two billion, one hundred twenty-eight million, five hundred thirty-two thousand, six hundred seventy".