2141554674820 has 24 divisors (see below), whose sum is σ = 4906107073728. Its totient is φ = 778747154400.

The previous prime is 2141554674757. The next prime is 2141554674881. The reversal of 2141554674820 is 284764551412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867169496 + ... + 4867169935.

It is an arithmetic number, because the mean of its divisors is an integer number (204421128072).

Almost surely, 2^{2141554674820} is an apocalyptic number.

2141554674820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141554674820 is an abundant number, since it is smaller than the sum of its proper divisors (2764552398908).

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

2141554674820 is a wasteful number, since it uses less digits than its factorization.

2141554674820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734339451 (or 9734339449 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 2141554674820 in words is "two trillion, one hundred forty-one billion, five hundred fifty-four million, six hundred seventy-four thousand, eight hundred twenty".