2146254551467 has 16 divisors (see below), whose sum is σ = 2367867791520. Its totient is φ = 1932720940800.

The previous prime is 2146254551447. The next prime is 2146254551477. The reversal of 2146254551467 is 7641554526412.

It is a de Polignac number, because none of the positive numbers 2^k-2146254551467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146254551437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466509 + ... + 9690577.

It is an arithmetic number, because the mean of its divisors is an integer number (147991736970).

Almost surely, 2^{2146254551467} is an apocalyptic number.

2146254551467 is a deficient number, since it is larger than the sum of its proper divisors (221613240053).

2146254551467 is a wasteful number, since it uses less digits than its factorization.

2146254551467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242094.

The product of its digits is 8064000, while the sum is 52.

The spelling of 2146254551467 in words is "two trillion, one hundred forty-six billion, two hundred fifty-four million, five hundred fifty-one thousand, four hundred sixty-seven".