2041777421 has 8 divisors (see below), whose sum is σ = 2076452664. Its totient is φ = 2007141120.

The previous prime is 2041777379. The next prime is 2041777429. The reversal of 2041777421 is 1247771402.

It can be written as a sum of positive squares in 4 ways, for example, as 9030025 + 2032747396 = 3005^2 + 45086^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041777421 is a prime.

It is a super-2 number, since 2×2041777421² = 8337710073810822482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041777429) 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, 107945 + ... + 125441.

It is an arithmetic number, because the mean of its divisors is an integer number (259556583).

Almost surely, 2^2041777421 is an apocalyptic number.

It is an amenable number.

2041777421 is a deficient number, since it is larger than the sum of its proper divisors (34675243).

2041777421 is a wasteful number, since it uses less digits than its factorization.

2041777421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19471.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 2041777421 is about 45186.0312596714. The cubic root of 2041777421 is about 1268.6333742006.

The spelling of 2041777421 in words is "two billion, forty-one million, seven hundred seventy-seven thousand, four hundred twenty-one".