2032778361 has 4 divisors (see below), whose sum is σ = 2710371152. Its totient is φ = 1355185572.

The previous prime is 2032778359. The next prime is 2032778369. The reversal of 2032778361 is 1638772302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2032778361 - 2¹ = 2032778359 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2032778369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338796391 + ... + 338796396.

It is an arithmetic number, because the mean of its divisors is an integer number (677592788).

Almost surely, 2^2032778361 is an apocalyptic number.

It is an amenable number.

2032778361 is a deficient number, since it is larger than the sum of its proper divisors (677592791).

2032778361 is an equidigital number, since it uses as much as digits as its factorization.

2032778361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677592790.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 2032778361 is about 45086.3433979736. The cubic root of 2032778361 is about 1266.7668106957.

The spelling of 2032778361 in words is "two billion, thirty-two million, seven hundred seventy-eight thousand, three hundred sixty-one".