2044701391 has 2 divisors, whose sum is σ = 2044701392. Its totient is φ = 2044701390.

The previous prime is 2044701371. The next prime is 2044701443. The reversal of 2044701391 is 1931074402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2044701391 - 2¹³ = 2044693199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044701361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022350695 + 1022350696.

It is an arithmetic number, because the mean of its divisors is an integer number (1022350696).

Almost surely, 2^2044701391 is an apocalyptic number.

2044701391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044701391 is an equidigital number, since it uses as much as digits as its factorization.

2044701391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2044701391 is about 45218.3744842735. The cubic root of 2044701391 is about 1269.2386763207.

Adding to 2044701391 its reverse (1931074402), we get a palindrome (3975775793).

The spelling of 2044701391 in words is "two billion, forty-four million, seven hundred one thousand, three hundred ninety-one".