2638554293 has 2 divisors, whose sum is σ = 2638554294. Its totient is φ = 2638554292.

The previous prime is 2638554287. The next prime is 2638554349. The reversal of 2638554293 is 3924558362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1557328369 + 1081225924 = 39463^2 + 32882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2638554293 - 2⁴ = 2638554277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638554593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319277146 + 1319277147.

It is an arithmetic number, because the mean of its divisors is an integer number (1319277147).

Almost surely, 2^2638554293 is an apocalyptic number.

It is an amenable number.

2638554293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638554293 is an equidigital number, since it uses as much as digits as its factorization.

2638554293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The square root of 2638554293 is about 51366.8598709323. The cubic root of 2638554293 is about 1381.8323159155.

The spelling of 2638554293 in words is "two billion, six hundred thirty-eight million, five hundred fifty-four thousand, two hundred ninety-three".