2128629741 has 16 divisors (see below), whose sum is σ = 3249266304. Its totient is φ = 1214244864.

The previous prime is 2128629739. The next prime is 2128629773. The reversal of 2128629741 is 1479268212.

It is not a de Polignac number, because 2128629741 - 2¹ = 2128629739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2128629693 and 2128629702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128629781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75720 + ... + 99953.

It is an arithmetic number, because the mean of its divisors is an integer number (203079144).

Almost surely, 2^2128629741 is an apocalyptic number.

2128629741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2128629741 is a deficient number, since it is larger than the sum of its proper divisors (1120636563).

2128629741 is a wasteful number, since it uses less digits than its factorization.

2128629741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176260.

The product of its digits is 96768, while the sum is 42.

The square root of 2128629741 is about 46137.0755575166. The cubic root of 2128629741 is about 1286.3723857024.

The spelling of 2128629741 in words is "two billion, one hundred twenty-eight million, six hundred twenty-nine thousand, seven hundred forty-one".