2928381901 has 8 divisors (see below), whose sum is σ = 2956399160. Its totient is φ = 2900385792.

The previous prime is 2928381851. The next prime is 2928382003. The reversal of 2928381901 is 1091838292.

It can be written as a sum of positive squares in 4 ways, for example, as 158886025 + 2769495876 = 12605^2 + 52626^2 .

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 2928381901 - 2¹⁵ = 2928349133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928381301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488941 + ... + 494893.

It is an arithmetic number, because the mean of its divisors is an integer number (369549895).

Almost surely, 2^2928381901 is an apocalyptic number.

It is an amenable number.

2928381901 is a deficient number, since it is larger than the sum of its proper divisors (28017259).

2928381901 is a wasteful number, since it uses less digits than its factorization.

2928381901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 2928381901 is about 54114.5257855966. The cubic root of 2928381901 is about 1430.6802151261.

The spelling of 2928381901 in words is "two billion, nine hundred twenty-eight million, three hundred eighty-one thousand, nine hundred one".