6355284698961 has 81 divisors (see below), whose sum is σ = 10230175377513. Its totient is φ = 3798999444240.

The previous prime is 6355284698891. The next prime is 6355284698977. The reversal of 6355284698961 is 1698964825536.

It is a happy number.

The square root of 6355284698961 is 2520969.

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

6355284698961 is a `hidden beast` number, since 6 + 3 + 5 + 5 + 28 + 469 + 89 + 61 = 666.

It is not a de Polignac number, because 6355284698961 - 2²¹ = 6355282601809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6355284698961.

It is not an unprimeable number, because it can be changed into a prime (6355284694961) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6572165700 + ... + 6572166666.

Almost surely, 2^{6355284698961} is an apocalyptic number.

6355284698961 is the 2520969-th square number.

6355284698961 is the 1260485-th centered octagonal number.

It is an amenable number.

6355284698961 is a deficient number, since it is larger than the sum of its proper divisors (3874890678552).

6355284698961 is an frugal number, since it uses more digits than its factorization.

6355284698961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 1060 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 72.

The spelling of 6355284698961 in words is "six trillion, three hundred fifty-five billion, two hundred eighty-four million, six hundred ninety-eight thousand, nine hundred sixty-one".