2838578641 has 2 divisors, whose sum is σ = 2838578642. Its totient is φ = 2838578640.

The previous prime is 2838578597. The next prime is 2838578657. The reversal of 2838578641 is 1468758382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2798939025 + 39639616 = 52905^2 + 6296^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838578641 - 2¹¹ = 2838576593 is a prime.

It is a super-2 number, since 2×2838578641² = 16115057402282813762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2838578671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419289320 + 1419289321.

It is an arithmetic number, because the mean of its divisors is an integer number (1419289321).

Almost surely, 2^2838578641 is an apocalyptic number.

It is an amenable number.

2838578641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838578641 is an equidigital number, since it uses as much as digits as its factorization.

2838578641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 52.

The square root of 2838578641 is about 53278.3130457412. The cubic root of 2838578641 is about 1415.9034616175.

The spelling of 2838578641 in words is "two billion, eight hundred thirty-eight million, five hundred seventy-eight thousand, six hundred forty-one".