4212761660257 has 4 divisors (see below), whose sum is σ = 4214618322580. Its totient is φ = 4210904997936.

The previous prime is 4212761660231. The next prime is 4212761660267. The reversal of 4212761660257 is 7520661672124.

4212761660257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120491600161 + 4092270060096 = 347119^2 + 2022936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4212761660257 is a prime.

It is a super-2 number, since 2×4212761660257² (a number of 26 digits) contains 22 as substring.

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 4212761660257.

It is not an unprimeable number, because it can be changed into a prime (4212761660267) 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, 928327758 + ... + 928332295.

It is an arithmetic number, because the mean of its divisors is an integer number (1053654580645).

Almost surely, 2^{4212761660257} is an apocalyptic number.

It is an amenable number.

4212761660257 is a deficient number, since it is larger than the sum of its proper divisors (1856662323).

4212761660257 is a wasteful number, since it uses less digits than its factorization.

4212761660257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856662322.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 4212761660257 in words is "four trillion, two hundred twelve billion, seven hundred sixty-one million, six hundred sixty thousand, two hundred fifty-seven".