2791836401 has 2 divisors, whose sum is σ = 2791836402. Its totient is φ = 2791836400.

The previous prime is 2791836391. The next prime is 2791836419. The reversal of 2791836401 is 1046381972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2785200625 + 6635776 = 52775^2 + 2576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2791836401 is a prime.

It is a super-3 number, since 3×2791836401³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2791836431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395918200 + 1395918201.

It is an arithmetic number, because the mean of its divisors is an integer number (1395918201).

Almost surely, 2^2791836401 is an apocalyptic number.

It is an amenable number.

2791836401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791836401 is an equidigital number, since it uses as much as digits as its factorization.

2791836401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2791836401 is about 52837.8311534454. The cubic root of 2791836401 is about 1408.0886196549.

The spelling of 2791836401 in words is "two billion, seven hundred ninety-one million, eight hundred thirty-six thousand, four hundred one".