248637163513 has 2 divisors, whose sum is σ = 248637163514. Its totient is φ = 248637163512.

The previous prime is 248637163477. The next prime is 248637163529. The reversal of 248637163513 is 315361736842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141081369664 + 107555793849 = 375608^2 + 327957^2 .

It is a cyclic number.

It is not a de Polignac number, because 248637163513 - 2⁹ = 248637163001 is a prime.

It is not a weakly prime, because it can be changed into another prime (248637163013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124318581756 + 124318581757.

It is an arithmetic number, because the mean of its divisors is an integer number (124318581757).

Almost surely, 2^248637163513 is an apocalyptic number.

It is an amenable number.

248637163513 is a deficient number, since it is larger than the sum of its proper divisors (1).

248637163513 is an equidigital number, since it uses as much as digits as its factorization.

248637163513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The spelling of 248637163513 in words is "two hundred forty-eight billion, six hundred thirty-seven million, one hundred sixty-three thousand, five hundred thirteen".