253312516367426 has 4 divisors (see below), whose sum is σ = 379968774551142. Its totient is φ = 126656258183712.

The previous prime is 253312516367423. The next prime is 253312516367467. The reversal of 253312516367426 is 624763615213352.

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

It can be written as a sum of positive squares in only one way, i.e., 204766111741801 + 48546404625625 = 14309651^2 + 6967525^2 .

It is not an unprimeable number, because it can be changed into a prime (253312516367423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63328129091855 + ... + 63328129091858.

Almost surely, 2^{253312516367426} is an apocalyptic number.

253312516367426 is a deficient number, since it is larger than the sum of its proper divisors (126656258183716).

253312516367426 is a wasteful number, since it uses less digits than its factorization.

253312516367426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126656258183715.

The product of its digits is 32659200, while the sum is 56.

The spelling of 253312516367426 in words is "two hundred fifty-three trillion, three hundred twelve billion, five hundred sixteen million, three hundred sixty-seven thousand, four hundred twenty-six".