2943462939638 has 16 divisors (see below), whose sum is σ = 4755262752240. Its totient is φ = 1358396212896.

The previous prime is 2943462939631. The next prime is 2943462939643. The reversal of 2943462939638 is 8369392643492.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943462939631) 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, 4926353 + ... + 5491436.

It is an arithmetic number, because the mean of its divisors is an integer number (297203922015).

Almost surely, 2^{2943462939638} is an apocalyptic number.

2943462939638 is a deficient number, since it is larger than the sum of its proper divisors (1811799812602).

2943462939638 is a wasteful number, since it uses less digits than its factorization.

2943462939638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428671.

The product of its digits is 362797056, while the sum is 68.

The spelling of 2943462939638 in words is "two trillion, nine hundred forty-three billion, four hundred sixty-two million, nine hundred thirty-nine thousand, six hundred thirty-eight".