249225263794 has 8 divisors (see below), whose sum is σ = 402594656940. Its totient is φ = 115027044816.

The previous prime is 249225263723. The next prime is 249225263803. The reversal of 249225263794 is 497362522942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202038563169 + 47186700625 = 449487^2 + 217225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×249225263794² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792793509 + ... + 4792793560.

Almost surely, 2^249225263794 is an apocalyptic number.

249225263794 is a deficient number, since it is larger than the sum of its proper divisors (153369393146).

249225263794 is a wasteful number, since it uses less digits than its factorization.

249225263794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585587084.

The product of its digits is 13063680, while the sum is 55.

The spelling of 249225263794 in words is "two hundred forty-nine billion, two hundred twenty-five million, two hundred sixty-three thousand, seven hundred ninety-four".