2620442339361 has 72 divisors (see below), whose sum is σ = 4807836820800. Its totient is φ = 1359992652480.

The previous prime is 2620442339353. The next prime is 2620442339399. The reversal of 2620442339361 is 1639332440262.

2620442339361 is a `hidden beast` number, since 2 + 62 + 0 + 442 + 3 + 3 + 93 + 61 = 666.

It is not a de Polignac number, because 2620442339361 - 2³ = 2620442339353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2620442339261) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4933060 + ... + 5438378.

It is an arithmetic number, because the mean of its divisors is an integer number (66775511400).

Almost surely, 2^{2620442339361} is an apocalyptic number.

2620442339361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2620442339361 is a deficient number, since it is larger than the sum of its proper divisors (2187394481439).

2620442339361 is a wasteful number, since it uses less digits than its factorization.

2620442339361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506419 (or 506409 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 2620442339361 in words is "two trillion, six hundred twenty billion, four hundred forty-two million, three hundred thirty-nine thousand, three hundred sixty-one".