2642641692860 has 48 divisors (see below), whose sum is σ = 6019431852000. Its totient is φ = 968724866304.

The previous prime is 2642641692829. The next prime is 2642641692869. The reversal of 2642641692860 is 682961462462.

It is a junction number, because it is equal to n+sod(n) for n = 2642641692796 and 2642641692805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642641692869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36525035 + ... + 36597314.

It is an arithmetic number, because the mean of its divisors is an integer number (125404830250).

Almost surely, 2^{2642641692860} is an apocalyptic number.

2642641692860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642641692860 is an abundant number, since it is smaller than the sum of its proper divisors (3376790159140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2642641692860 is a wasteful number, since it uses less digits than its factorization.

2642641692860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73122510 (or 73122508 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 2642641692860 in words is "two trillion, six hundred forty-two billion, six hundred forty-one million, six hundred ninety-two thousand, eight hundred sixty".