2899340839938 has 16 divisors (see below), whose sum is σ = 5880353253696. Its totient is φ = 952835017680.

The previous prime is 2899340839931. The next prime is 2899340839957. The reversal of 2899340839938 is 8399380439982.

It is a happy number.

It is a super-2 number, since 2×2899340839938² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2899340839938.

It is not an unprimeable number, because it can be changed into a prime (2899340839931) 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, 3402981781 + ... + 3402982632.

It is an arithmetic number, because the mean of its divisors is an integer number (367522078356).

Almost surely, 2^{2899340839938} is an apocalyptic number.

2899340839938 is an abundant number, since it is smaller than the sum of its proper divisors (2981012413758).

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

2899340839938 is a wasteful number, since it uses less digits than its factorization.

2899340839938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805964489.

The product of its (nonzero) digits is 725594112, while the sum is 75.

The spelling of 2899340839938 in words is "two trillion, eight hundred ninety-nine billion, three hundred forty million, eight hundred thirty-nine thousand, nine hundred thirty-eight".