253533914677 has 2 divisors, whose sum is σ = 253533914678. Its totient is φ = 253533914676.

The previous prime is 253533914657. The next prime is 253533914681. The reversal of 253533914677 is 776419335352.

It is a happy number.

253533914677 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 can be written as a sum of positive squares in only one way, i.e., 140125943556 + 113407971121 = 374334^2 + 336761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253533914677 is a prime.

It is a super-4 number, since 4×253533914677⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253533914657) 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, 126766957338 + 126766957339.

It is an arithmetic number, because the mean of its divisors is an integer number (126766957339).

Almost surely, 2^253533914677 is an apocalyptic number.

It is an amenable number.

253533914677 is a deficient number, since it is larger than the sum of its proper divisors (1).

253533914677 is an equidigital number, since it uses as much as digits as its factorization.

253533914677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 55.

The spelling of 253533914677 in words is "two hundred fifty-three billion, five hundred thirty-three million, nine hundred fourteen thousand, six hundred seventy-seven".