2628013531378 has 16 divisors (see below), whose sum is σ = 4113601370496. Its totient is φ = 1256818321440.

The previous prime is 2628013531327. The next prime is 2628013531387. The reversal of 2628013531378 is 8731353108262.

It is a super-2 number, since 2×2628013531378² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290526 + ... + 2310937.

It is an arithmetic number, because the mean of its divisors is an integer number (257100085656).

Almost surely, 2^{2628013531378} is an apocalyptic number.

2628013531378 is a deficient number, since it is larger than the sum of its proper divisors (1485587839118).

2628013531378 is a wasteful number, since it uses less digits than its factorization.

2628013531378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623449.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 2628013531378 in words is "two trillion, six hundred twenty-eight billion, thirteen million, five hundred thirty-one thousand, three hundred seventy-eight".