2467378082521 has 9 divisors (see below), whose sum is σ = 2712095727733. Its totient is φ = 2243055276220.

The previous prime is 2467378082513. The next prime is 2467378082527. The reversal of 2467378082521 is 1252808737642.

The square root of 2467378082521 is 1570789.

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

It is not a de Polignac number, because 2467378082521 - 2³ = 2467378082513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2467378082527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17207280 + ... + 17350078.

Almost surely, 2^{2467378082521} is an apocalyptic number.

2467378082521 is the 1570789-th square number.

2467378082521 is the 785395-th centered octagonal number.

It is an amenable number.

2467378082521 is a deficient number, since it is larger than the sum of its proper divisors (244717645212).

2467378082521 is an frugal number, since it uses more digits than its factorization.

2467378082521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285620 (or 142810 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 2467378082521 in words is "two trillion, four hundred sixty-seven billion, three hundred seventy-eight million, eighty-two thousand, five hundred twenty-one".