62689142449 has 2 divisors, whose sum is σ = 62689142450. Its totient is φ = 62689142448.

The previous prime is 62689142437. The next prime is 62689142497. The reversal of 62689142449 is 94424198626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47672355600 + 15016786849 = 218340^2 + 122543^2 .

It is a cyclic number.

It is not a de Polignac number, because 62689142449 - 2¹¹ = 62689140401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 62689142449.

It is not a weakly prime, because it can be changed into another prime (66689142449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31344571224 + 31344571225.

It is an arithmetic number, because the mean of its divisors is an integer number (31344571225).

Almost surely, 2^62689142449 is an apocalyptic number.

It is an amenable number.

62689142449 is a deficient number, since it is larger than the sum of its proper divisors (1).

62689142449 is an equidigital number, since it uses as much as digits as its factorization.

62689142449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 55.

The spelling of 62689142449 in words is "sixty-two billion, six hundred eighty-nine million, one hundred forty-two thousand, four hundred forty-nine".