2486949309457 has 2 divisors, whose sum is σ = 2486949309458. Its totient is φ = 2486949309456.

The previous prime is 2486949309443. The next prime is 2486949309503. The reversal of 2486949309457 is 7549039496842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1933590367296 + 553358942161 = 1390536^2 + 743881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2486949309457 - 2³¹ = 2484801825809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2486949309557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243474654728 + 1243474654729.

It is an arithmetic number, because the mean of its divisors is an integer number (1243474654729).

Almost surely, 2^{2486949309457} is an apocalyptic number.

It is an amenable number.

2486949309457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2486949309457 is an equidigital number, since it uses as much as digits as its factorization.

2486949309457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470292480, while the sum is 70.

The spelling of 2486949309457 in words is "two trillion, four hundred eighty-six billion, nine hundred forty-nine million, three hundred nine thousand, four hundred fifty-seven".