249678119493 has 48 divisors (see below), whose sum is σ = 407711606400. Its totient is φ = 150897859200.

The previous prime is 249678119479. The next prime is 249678119501. The reversal of 249678119493 is 394911876942.

249678119493 is a `hidden beast` number, since 2 + 4 + 9 + 67 + 81 + 1 + 9 + 493 = 666.

It is not a de Polignac number, because 249678119493 - 2⁴ = 249678119477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249678119493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249678119443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1066413 + ... + 1279293.

It is an arithmetic number, because the mean of its divisors is an integer number (8493991800).

Almost surely, 2^249678119493 is an apocalyptic number.

It is an amenable number.

249678119493 is a deficient number, since it is larger than the sum of its proper divisors (158033486907).

249678119493 is a wasteful number, since it uses less digits than its factorization.

249678119493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213271 (or 213254 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 249678119493 in words is "two hundred forty-nine billion, six hundred seventy-eight million, one hundred nineteen thousand, four hundred ninety-three".