2720643507422 has 32 divisors (see below), whose sum is σ = 4198651208640. Its totient is φ = 1321224687360.

The previous prime is 2720643507383. The next prime is 2720643507433. The reversal of 2720643507422 is 2247053460272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111677279 + ... + 111701637.

It is an arithmetic number, because the mean of its divisors is an integer number (131207850270).

Almost surely, 2^{2720643507422} is an apocalyptic number.

2720643507422 is a deficient number, since it is larger than the sum of its proper divisors (1478007701218).

2720643507422 is a wasteful number, since it uses less digits than its factorization.

2720643507422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26996.

The product of its (nonzero) digits is 1128960, while the sum is 44.

Adding to 2720643507422 its reverse (2247053460272), we get a palindrome (4967696967694).

The spelling of 2720643507422 in words is "two trillion, seven hundred twenty billion, six hundred forty-three million, five hundred seven thousand, four hundred twenty-two".