2620361543451 has 8 divisors (see below), whose sum is σ = 3493850614800. Its totient is φ = 1746890083872.

The previous prime is 2620361543447. The next prime is 2620361543557. The reversal of 2620361543451 is 1543451630262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2620361543451 - 2² = 2620361543447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2620361543251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051776 + ... + 4653773.

It is an arithmetic number, because the mean of its divisors is an integer number (436731326850).

Almost surely, 2^{2620361543451} is an apocalyptic number.

2620361543451 is a deficient number, since it is larger than the sum of its proper divisors (873489071349).

2620361543451 is a wasteful number, since it uses less digits than its factorization.

2620361543451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805885.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 2620361543451 in words is "two trillion, six hundred twenty billion, three hundred sixty-one million, five hundred forty-three thousand, four hundred fifty-one".