620015026049 has 2 divisors, whose sum is σ = 620015026050. Its totient is φ = 620015026048.

The previous prime is 620015026039. The next prime is 620015026121. The reversal of 620015026049 is 940620510026.

It is a happy number.

620015026049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554327899024 + 65687127025 = 744532^2 + 256295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620015026049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (620015026009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310007513024 + 310007513025.

It is an arithmetic number, because the mean of its divisors is an integer number (310007513025).

Almost surely, 2^620015026049 is an apocalyptic number.

It is an amenable number.

620015026049 is a deficient number, since it is larger than the sum of its proper divisors (1).

620015026049 is an equidigital number, since it uses as much as digits as its factorization.

620015026049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 620015026049 in words is "six hundred twenty billion, fifteen million, twenty-six thousand, forty-nine".