2049400037 has 2 divisors, whose sum is σ = 2049400038. Its totient is φ = 2049400036.

The previous prime is 2049400033. The next prime is 2049400057. The reversal of 2049400037 is 7300049402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1808715841 + 240684196 = 42529^2 + 15514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049400037 - 2² = 2049400033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2049399982 and 2049400009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049400033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024700018 + 1024700019.

It is an arithmetic number, because the mean of its divisors is an integer number (1024700019).

Almost surely, 2^2049400037 is an apocalyptic number.

It is an amenable number.

2049400037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049400037 is an equidigital number, since it uses as much as digits as its factorization.

2049400037 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 29.

The square root of 2049400037 is about 45270.2997228867. The cubic root of 2049400037 is about 1270.2101532900.

Adding to 2049400037 its reverse (7300049402), we get a palindrome (9349449439).

The spelling of 2049400037 in words is "two billion, forty-nine million, four hundred thousand, thirty-seven".