1881852878213 has 32 divisors (see below), whose sum is σ = 2472088135680. Its totient is φ = 1387852488000.

The previous prime is 1881852878207. The next prime is 1881852878263. The reversal of 1881852878213 is 3128782581881.

It is not a de Polignac number, because 1881852878213 - 2¹⁴ = 1881852861829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881852878263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884543 + ... + 2132163.

It is an arithmetic number, because the mean of its divisors is an integer number (77252754240).

Almost surely, 2^{1881852878213} is an apocalyptic number.

It is an amenable number.

1881852878213 is a deficient number, since it is larger than the sum of its proper divisors (590235257467).

1881852878213 is a wasteful number, since it uses less digits than its factorization.

1881852878213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248689.

The product of its digits is 13762560, while the sum is 62.

The spelling of 1881852878213 in words is "one trillion, eight hundred eighty-one billion, eight hundred fifty-two million, eight hundred seventy-eight thousand, two hundred thirteen".