2635509029947 has 2 divisors, whose sum is σ = 2635509029948. Its totient is φ = 2635509029946.

The previous prime is 2635509029863. The next prime is 2635509029999. The reversal of 2635509029947 is 7499209055362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2635509029947 - 2¹⁵ = 2635508997179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2635503029947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317754514973 + 1317754514974.

It is an arithmetic number, because the mean of its divisors is an integer number (1317754514974).

Almost surely, 2^{2635509029947} is an apocalyptic number.

2635509029947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2635509029947 is an equidigital number, since it uses as much as digits as its factorization.

2635509029947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 2635509029947 in words is "two trillion, six hundred thirty-five billion, five hundred nine million, twenty-nine thousand, nine hundred forty-seven".