248689497353 has 4 divisors (see below), whose sum is σ = 271297633488. Its totient is φ = 226081361220.

The previous prime is 248689497349. The next prime is 248689497373. The reversal of 248689497353 is 353794986842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 248689497353 - 2² = 248689497349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248689497373) 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, 11304068051 + ... + 11304068072.

It is an arithmetic number, because the mean of its divisors is an integer number (67824408372).

Almost surely, 2^248689497353 is an apocalyptic number.

It is an amenable number.

248689497353 is a deficient number, since it is larger than the sum of its proper divisors (22608136135).

248689497353 is a wasteful number, since it uses less digits than its factorization.

248689497353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608136134.

The product of its digits is 313528320, while the sum is 68.

The spelling of 248689497353 in words is "two hundred forty-eight billion, six hundred eighty-nine million, four hundred ninety-seven thousand, three hundred fifty-three".