2438371729 has 2 divisors, whose sum is σ = 2438371730. Its totient is φ = 2438371728.

The previous prime is 2438371723. The next prime is 2438371781. The reversal of 2438371729 is 9271738342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1601600400 + 836771329 = 40020^2 + 28927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438371729 - 2⁵ = 2438371697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2438371723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219185864 + 1219185865.

It is an arithmetic number, because the mean of its divisors is an integer number (1219185865).

Almost surely, 2^2438371729 is an apocalyptic number.

It is an amenable number.

2438371729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438371729 is an equidigital number, since it uses as much as digits as its factorization.

2438371729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 2438371729 is about 49379.8716989018. The cubic root of 2438371729 is about 1345.9635681752.

The spelling of 2438371729 in words is "two billion, four hundred thirty-eight million, three hundred seventy-one thousand, seven hundred twenty-nine".