3628992920281 has 8 divisors (see below), whose sum is σ = 3746376587264. Its totient is φ = 3511629214560.

The previous prime is 3628992920251. The next prime is 3628992920291. The reversal of 3628992920281 is 1820292998263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3628992920281 - 2⁷ = 3628992920153 is a prime.

It is a super-2 number, since 2×3628992920281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628992920221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620396 + ... + 5348461.

It is an arithmetic number, because the mean of its divisors is an integer number (468297073408).

Almost surely, 2^{3628992920281} is an apocalyptic number.

3628992920281 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3628992920281 is a deficient number, since it is larger than the sum of its proper divisors (117383666983).

3628992920281 is a wasteful number, since it uses less digits than its factorization.

3628992920281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980631.

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 3628992920281 in words is "three trillion, six hundred twenty-eight billion, nine hundred ninety-two million, nine hundred twenty thousand, two hundred eighty-one".