2928145624681 has 8 divisors (see below), whose sum is σ = 2996043780960. Its totient is φ = 2860856420832.

The previous prime is 2928145624673. The next prime is 2928145624697. The reversal of 2928145624681 is 1864265418292.

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

It is a cyclic number.

It is not a de Polignac number, because 2928145624681 - 2³ = 2928145624673 is a prime.

It is a super-2 number, since 2×2928145624681² (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 (2928145624661) 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, 152228380 + ... + 152247613.

It is an arithmetic number, because the mean of its divisors is an integer number (374505472620).

Almost surely, 2^{2928145624681} is an apocalyptic number.

It is an amenable number.

2928145624681 is a deficient number, since it is larger than the sum of its proper divisors (67898156279).

2928145624681 is a wasteful number, since it uses less digits than its factorization.

2928145624681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304476215.

The product of its digits is 13271040, while the sum is 58.

The spelling of 2928145624681 in words is "two trillion, nine hundred twenty-eight billion, one hundred forty-five million, six hundred twenty-four thousand, six hundred eighty-one".