2742968638864 has 10 divisors (see below), whose sum is σ = 5314501737830. Its totient is φ = 1371484319424.

The previous prime is 2742968638847. The next prime is 2742968638903. The reversal of 2742968638864 is 4688368692472.

It can be written as a sum of positive squares in only one way, i.e., 2673525848464 + 69442790400 = 1635092^2 + 263520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85717769949 + ... + 85717769980.

It is an arithmetic number, because the mean of its divisors is an integer number (531450173783).

Almost surely, 2^{2742968638864} is an apocalyptic number.

It is an amenable number.

2742968638864 is a deficient number, since it is larger than the sum of its proper divisors (2571533098966).

2742968638864 is a wasteful number, since it uses less digits than its factorization.

2742968638864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171435539937 (or 171435539931 counting only the distinct ones).

The product of its digits is 1337720832, while the sum is 73.

The spelling of 2742968638864 in words is "two trillion, seven hundred forty-two billion, nine hundred sixty-eight million, six hundred thirty-eight thousand, eight hundred sixty-four".