2608378171642 has 4 divisors (see below), whose sum is σ = 3912567257466. Its totient is φ = 1304189085820.

The previous prime is 2608378171631. The next prime is 2608378171661. The reversal of 2608378171642 is 2461718738062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2242509245001 + 365868926641 = 1497501^2 + 604871^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652094542909 + ... + 652094542912.

Almost surely, 2^{2608378171642} is an apocalyptic number.

2608378171642 is a deficient number, since it is larger than the sum of its proper divisors (1304189085824).

2608378171642 is a wasteful number, since it uses less digits than its factorization.

2608378171642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304189085823.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 2608378171642 in words is "two trillion, six hundred eight billion, three hundred seventy-eight million, one hundred seventy-one thousand, six hundred forty-two".