2642028422731 has 8 divisors (see below), whose sum is σ = 2662945761600. Its totient is φ = 2621193274560.

The previous prime is 2642028422729. The next prime is 2642028422743. The reversal of 2642028422731 is 1372248202462.

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

It is a cyclic number.

It is not a de Polignac number, because 2642028422731 - 2¹ = 2642028422729 is a prime.

It is a super-2 number, since 2×2642028422731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642028422771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20483130 + ... + 20611711.

It is an arithmetic number, because the mean of its divisors is an integer number (332868220200).

Almost surely, 2^{2642028422731} is an apocalyptic number.

2642028422731 is a deficient number, since it is larger than the sum of its proper divisors (20917338869).

2642028422731 is a wasteful number, since it uses less digits than its factorization.

2642028422731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41095349.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 2642028422731 in words is "two trillion, six hundred forty-two billion, twenty-eight million, four hundred twenty-two thousand, seven hundred thirty-one".