2146464646461 has 24 divisors (see below), whose sum is σ = 3197157899520. Its totient is φ = 1386932715936.

The previous prime is 2146464646423. The next prime is 2146464646463. The reversal of 2146464646461 is 1646464646412.

2146464646461 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 464 + 64 + 64 + 61 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2146464646461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2146464646398 and 2146464646407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146464646463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24589366 + ... + 24676503.

It is an arithmetic number, because the mean of its divisors is an integer number (133214912480).

Almost surely, 2^{2146464646461} is an apocalyptic number.

It is an amenable number.

2146464646461 is a deficient number, since it is larger than the sum of its proper divisors (1050693253059).

2146464646461 is a wasteful number, since it uses less digits than its factorization.

2146464646461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49266025 (or 49266022 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 54.

The spelling of 2146464646461 in words is "two trillion, one hundred forty-six billion, four hundred sixty-four million, six hundred forty-six thousand, four hundred sixty-one".