2146667472451 has 24 divisors (see below), whose sum is σ = 2349073433952. Its totient is φ = 1954848096000.

The previous prime is 2146667472401. The next prime is 2146667472457. The reversal of 2146667472451 is 1542747666412.

It is not a de Polignac number, because 2146667472451 - 2⁹ = 2146667471939 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2146667472392 and 2146667472401.

It is not an unprimeable number, because it can be changed into a prime (2146667472457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123711426 + ... + 123728776.

It is an arithmetic number, because the mean of its divisors is an integer number (97878059748).

Almost surely, 2^{2146667472451} is an apocalyptic number.

2146667472451 is a deficient number, since it is larger than the sum of its proper divisors (202405961501).

2146667472451 is a wasteful number, since it uses less digits than its factorization.

2146667472451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 24972 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 2146667472451 in words is "two trillion, one hundred forty-six billion, six hundred sixty-seven million, four hundred seventy-two thousand, four hundred fifty-one".