253361360349 has 12 divisors (see below), whose sum is σ = 379520721216. Its totient is φ = 168907573404.

The previous prime is 253361360323. The next prime is 253361360359. The reversal of 253361360349 is 943063163352.

253361360349 is a `hidden beast` number, since 2 + 5 + 3 + 36 + 1 + 3 + 603 + 4 + 9 = 666.

It is not a de Polignac number, because 253361360349 - 2¹² = 253361356253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253361360309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521319429 + ... + 521319914.

It is an arithmetic number, because the mean of its divisors is an integer number (31626726768).

Almost surely, 2^253361360349 is an apocalyptic number.

It is an amenable number.

253361360349 is a deficient number, since it is larger than the sum of its proper divisors (126159360867).

253361360349 is an equidigital number, since it uses as much as digits as its factorization.

253361360349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042639358 (or 1042639346 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 253361360349 in words is "two hundred fifty-three billion, three hundred sixty-one million, three hundred sixty thousand, three hundred forty-nine".