246981680797 has 4 divisors (see below), whose sum is σ = 251167811040. Its totient is φ = 242795550556.

The previous prime is 246981680747. The next prime is 246981680801. The reversal of 246981680797 is 797086189642.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246981680797 is a prime.

It is a super-2 number, since 2×246981680797² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246981680747) 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, 2093065033 + ... + 2093065150.

It is an arithmetic number, because the mean of its divisors is an integer number (62791952760).

Almost surely, 2^246981680797 is an apocalyptic number.

It is an amenable number.

246981680797 is a deficient number, since it is larger than the sum of its proper divisors (4186130243).

246981680797 is an equidigital number, since it uses as much as digits as its factorization.

246981680797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186130242.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 246981680797 in words is "two hundred forty-six billion, nine hundred eighty-one million, six hundred eighty thousand, seven hundred ninety-seven".