2628912665390 has 16 divisors (see below), whose sum is σ = 5162228506800. Its totient is φ = 955968241920.

The previous prime is 2628912665321. The next prime is 2628912665473. The reversal of 2628912665390 is 935662198262.

It is a super-2 number, since 2×2628912665390² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 11949602915 + ... + 11949603134.

It is an arithmetic number, because the mean of its divisors is an integer number (322639281675).

Almost surely, 2^{2628912665390} is an apocalyptic number.

2628912665390 is a deficient number, since it is larger than the sum of its proper divisors (2533315841410).

2628912665390 is a wasteful number, since it uses less digits than its factorization.

2628912665390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23899206067.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 2628912665390 in words is "two trillion, six hundred twenty-eight billion, nine hundred twelve million, six hundred sixty-five thousand, three hundred ninety".