249714081796 has 9 divisors (see below), whose sum is σ = 437001392149. Its totient is φ = 124856541184.

The previous prime is 249714081737. The next prime is 249714081823. The reversal of 249714081796 is 697180417942.

The square root of 249714081796 is 499714.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 181246032900 + 68468048896 = 425730^2 + 261664^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249714081796.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 874500 + ... + 1124356.

Almost surely, 2^249714081796 is an apocalyptic number.

249714081796 is the 499714-th square number.

It is an amenable number.

249714081796 is a deficient number, since it is larger than the sum of its proper divisors (187287310353).

249714081796 is an frugal number, since it uses more digits than its factorization.

249714081796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499718 (or 249859 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 249714081796 in words is "two hundred forty-nine billion, seven hundred fourteen million, eighty-one thousand, seven hundred ninety-six".