253025163779 has 16 divisors (see below), whose sum is σ = 256240645920. Its totient is φ = 249832028160.

The previous prime is 253025163757. The next prime is 253025163793. The reversal of 253025163779 is 977361520352.

It is a cyclic number.

It is not a de Polignac number, because 253025163779 - 2¹² = 253025159683 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253025163379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59379509 + ... + 59383769.

It is an arithmetic number, because the mean of its divisors is an integer number (16015040370).

Almost surely, 2^253025163779 is an apocalyptic number.

253025163779 is a deficient number, since it is larger than the sum of its proper divisors (3215482141).

253025163779 is a wasteful number, since it uses less digits than its factorization.

253025163779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 253025163779 in words is "two hundred fifty-three billion, twenty-five million, one hundred sixty-three thousand, seven hundred seventy-nine".