2154287869390 has 16 divisors (see below), whose sum is σ = 3982521359232. Its totient is φ = 838425549024.

The previous prime is 2154287869373. The next prime is 2154287869397. The reversal of 2154287869390 is 939687824512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154287869397) 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, 2911199454 + ... + 2911200193.

It is an arithmetic number, because the mean of its divisors is an integer number (248907584952).

It is a 1-persistent number, because it is pandigital, but 2⋅2154287869390 = 4308575738780 is not.

Almost surely, 2^{2154287869390} is an apocalyptic number.

2154287869390 is a deficient number, since it is larger than the sum of its proper divisors (1828233489842).

2154287869390 is a wasteful number, since it uses less digits than its factorization.

2154287869390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822399691.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 2154287869390 in words is "two trillion, one hundred fifty-four billion, two hundred eighty-seven million, eight hundred sixty-nine thousand, three hundred ninety".