2618881288412 has 18 divisors (see below), whose sum is σ = 4782333306408. Its totient is φ = 1252501018648.

The previous prime is 2618881288349. The next prime is 2618881288421. The reversal of 2618881288412 is 2148821888162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15437789 + ... + 15606507.

Almost surely, 2^{2618881288412} is an apocalyptic number.

It is an amenable number.

2618881288412 is a deficient number, since it is larger than the sum of its proper divisors (2163452017996).

2618881288412 is an frugal number, since it uses more digits than its factorization.

2618881288412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337465 (or 168744 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 59.

The spelling of 2618881288412 in words is "two trillion, six hundred eighteen billion, eight hundred eighty-one million, two hundred eighty-eight thousand, four hundred twelve".