2520129967 has 2 divisors, whose sum is σ = 2520129968. Its totient is φ = 2520129966.

The previous prime is 2520129947. The next prime is 2520129973. The reversal of 2520129967 is 7699210252.

2520129967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520129967 - 2¹⁵ = 2520097199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520129947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260064983 + 1260064984.

It is an arithmetic number, because the mean of its divisors is an integer number (1260064984).

Almost surely, 2^2520129967 is an apocalyptic number.

2520129967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520129967 is an equidigital number, since it uses as much as digits as its factorization.

2520129967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2520129967 is about 50200.8960776598. The cubic root of 2520129967 is about 1360.8418171652.

The spelling of 2520129967 in words is "two billion, five hundred twenty million, one hundred twenty-nine thousand, nine hundred sixty-seven".