2489606401 has 2 divisors, whose sum is σ = 2489606402. Its totient is φ = 2489606400.

The previous prime is 2489606321. The next prime is 2489606437. The reversal of 2489606401 is 1046069842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1868400625 + 621205776 = 43225^2 + 24924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489606401 - 2¹⁵ = 2489573633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489606491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244803200 + 1244803201.

It is an arithmetic number, because the mean of its divisors is an integer number (1244803201).

Almost surely, 2^2489606401 is an apocalyptic number.

It is an amenable number.

2489606401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489606401 is an equidigital number, since it uses as much as digits as its factorization.

2489606401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2489606401 is about 49895.9557579570. The cubic root of 2489606401 is about 1355.3253578889.

The spelling of 2489606401 in words is "two billion, four hundred eighty-nine million, six hundred six thousand, four hundred one".