13420902277 has 2 divisors, whose sum is σ = 13420902278. Its totient is φ = 13420902276.

The previous prime is 13420902107. The next prime is 13420902307. The reversal of 13420902277 is 77220902431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10564961796 + 2855940481 = 102786^2 + 53441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13420902277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420902577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710451138 + 6710451139.

It is an arithmetic number, because the mean of its divisors is an integer number (6710451139).

Almost surely, 2^13420902277 is an apocalyptic number.

It is an amenable number.

13420902277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420902277 is an equidigital number, since it uses as much as digits as its factorization.

13420902277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 13420902277 in words is "thirteen billion, four hundred twenty million, nine hundred two thousand, two hundred seventy-seven".