2148308311870 has 16 divisors (see below), whose sum is σ = 4419377098848. Its totient is φ = 736562849760.

The previous prime is 2148308311847. The next prime is 2148308311901. The reversal of 2148308311870 is 781138038412.

It is a self number, because there is not a number n which added to its sum of digits gives 2148308311870.

It is a congruent number.

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, 15345059301 + ... + 15345059440.

It is an arithmetic number, because the mean of its divisors is an integer number (276211068678).

Almost surely, 2^{2148308311870} is an apocalyptic number.

2148308311870 is an abundant number, since it is smaller than the sum of its proper divisors (2271068786978).

2148308311870 is a wasteful number, since it uses less digits than its factorization.

2148308311870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30690118755.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 2148308311870 in words is "two trillion, one hundred forty-eight billion, three hundred eight million, three hundred eleven thousand, eight hundred seventy".