253290053279 has 4 divisors (see below), whose sum is σ = 253306872576. Its totient is φ = 253273233984.

The previous prime is 253290053239. The next prime is 253290053281. The reversal of 253290053279 is 972350092352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253290053279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253290053239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8387039 + ... + 8417184.

It is an arithmetic number, because the mean of its divisors is an integer number (63326718144).

Almost surely, 2^253290053279 is an apocalyptic number.

253290053279 is a deficient number, since it is larger than the sum of its proper divisors (16819297).

253290053279 is a wasteful number, since it uses less digits than its factorization.

253290053279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16819296.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 253290053279 in words is "two hundred fifty-three billion, two hundred ninety million, fifty-three thousand, two hundred seventy-nine".