2942684897647 has 16 divisors (see below), whose sum is σ = 3265344602784. Its totient is φ = 2629283328000.

The previous prime is 2942684897617. The next prime is 2942684897653. The reversal of 2942684897647 is 7467984862492.

It is a cyclic number.

It is not a de Polignac number, because 2942684897647 - 2¹¹ = 2942684895599 is a prime.

It is a super-2 number, since 2×2942684897647² (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 (2942684897617) 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, 820354 + ... + 2560927.

It is an arithmetic number, because the mean of its divisors is an integer number (204084037674).

Almost surely, 2^{2942684897647} is an apocalyptic number.

2942684897647 is a deficient number, since it is larger than the sum of its proper divisors (322659705137).

2942684897647 is a wasteful number, since it uses less digits than its factorization.

2942684897647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382650.

The product of its digits is 2341011456, while the sum is 76.

It can be divided in two parts, 294268 and 4897647, that added together give a palindrome (5191915).

The spelling of 2942684897647 in words is "two trillion, nine hundred forty-two billion, six hundred eighty-four million, eight hundred ninety-seven thousand, six hundred forty-seven".