2154002613043 has 4 divisors (see below), whose sum is σ = 2212218899920. Its totient is φ = 2095786326168.

The previous prime is 2154002613031. The next prime is 2154002613047. The reversal of 2154002613043 is 3403162004512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154002613043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154002612996 and 2154002613014.

It is not an unprimeable number, because it can be changed into a prime (2154002613047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29108143383 + ... + 29108143456.

It is an arithmetic number, because the mean of its divisors is an integer number (553054724980).

Almost surely, 2^{2154002613043} is an apocalyptic number.

2154002613043 is a deficient number, since it is larger than the sum of its proper divisors (58216286877).

2154002613043 is an equidigital number, since it uses as much as digits as its factorization.

2154002613043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58216286876.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2154002613043 its reverse (3403162004512), we get a palindrome (5557164617555).

The spelling of 2154002613043 in words is "two trillion, one hundred fifty-four billion, two million, six hundred thirteen thousand, forty-three".