2041864969 has 9 divisors (see below), whose sum is σ = 2073568743. Its totient is φ = 2010640752.

The previous prime is 2041864901. The next prime is 2041864987. The reversal of 2041864969 is 9694681402.

The square root of 2041864969 is 45187.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1159062025 + 882802944 = 34045^2 + 29712^2 .

It is not a de Polignac number, because 2041864969 - 2⁹ = 2041864457 is a prime.

It is a super-2 number, since 2×2041864969² = 8338425103258741922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041864369) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3298342 + ... + 3298960.

It is an arithmetic number, because the mean of its divisors is an integer number (230396527).

Almost surely, 2^2041864969 is an apocalyptic number.

2041864969 is the 45187-th square number.

2041864969 is the 22594-th centered octagonal number.

It is an amenable number.

2041864969 is a deficient number, since it is larger than the sum of its proper divisors (31703774).

2041864969 is an frugal number, since it uses more digits than its factorization.

2041864969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The cubic root of 2041864969 is about 1268.6515062337.

Multiplying 2041864969 by its sum of digits (49), we get a square (100051383481 = 316309²).

The spelling of 2041864969 in words is "two billion, forty-one million, eight hundred sixty-four thousand, nine hundred sixty-nine".