2947051345408 has 80 divisors (see below), whose sum is σ = 5949275650560. Its totient is φ = 1458335563776.

The previous prime is 2947051345397. The next prime is 2947051345409. The reversal of 2947051345408 is 8045431507492.

It is a super-2 number, since 2×2947051345408² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947051345409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26539410 + ... + 26650222.

It is an arithmetic number, because the mean of its divisors is an integer number (74365945632).

Almost surely, 2^{2947051345408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947051345408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974637825280).

2947051345408 is an abundant number, since it is smaller than the sum of its proper divisors (3002224305152).

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

2947051345408 is a wasteful number, since it uses less digits than its factorization.

2947051345408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111367 (or 111351 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 2947051345408 in words is "two trillion, nine hundred forty-seven billion, fifty-one million, three hundred forty-five thousand, four hundred eight".