2638076393 has 2 divisors, whose sum is σ = 2638076394. Its totient is φ = 2638076392.

The previous prime is 2638076387. The next prime is 2638076411. The reversal of 2638076393 is 3936708362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2592540889 + 45535504 = 50917^2 + 6748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2638076393 - 2¹⁶ = 2638010857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2638076383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319038196 + 1319038197.

It is an arithmetic number, because the mean of its divisors is an integer number (1319038197).

Almost surely, 2^2638076393 is an apocalyptic number.

It is an amenable number.

2638076393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638076393 is an equidigital number, since it uses as much as digits as its factorization.

2638076393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 2638076393 is about 51362.2078283245. The cubic root of 2638076393 is about 1381.7488841742.

The spelling of 2638076393 in words is "two billion, six hundred thirty-eight million, seventy-six thousand, three hundred ninety-three".