2634899128 has 8 divisors (see below), whose sum is σ = 4940435880. Its totient is φ = 1317449560.

The previous prime is 2634899123. The next prime is 2634899131. The reversal of 2634899128 is 8219984362.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634899123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164681188 + ... + 164681203.

It is an arithmetic number, because the mean of its divisors is an integer number (617554485).

Almost surely, 2^2634899128 is an apocalyptic number.

It is an amenable number.

2634899128 is a deficient number, since it is larger than the sum of its proper divisors (2305536752).

2634899128 is a wasteful number, since it uses less digits than its factorization.

2634899128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329362397 (or 329362393 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 2634899128 is about 51331.2685212435. The cubic root of 2634899128 is about 1381.1939411795.

The spelling of 2634899128 in words is "two billion, six hundred thirty-four million, eight hundred ninety-nine thousand, one hundred twenty-eight".