2151406043 has 8 divisors (see below), whose sum is σ = 2265811920. Its totient is φ = 2037117600.

The previous prime is 2151406027. The next prime is 2151406087. The reversal of 2151406043 is 3406041512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151406043 - 2⁴ = 2151406027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151405043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9593 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (283226490).

Almost surely, 2^2151406043 is an apocalyptic number.

2151406043 is a deficient number, since it is larger than the sum of its proper divisors (114405877).

2151406043 is a wasteful number, since it uses less digits than its factorization.

2151406043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58717.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2151406043 is about 46383.2517510362. The cubic root of 2151406043 is about 1290.9441724659.

Adding to 2151406043 its reverse (3406041512), we get a palindrome (5557447555).

The spelling of 2151406043 in words is "two billion, one hundred fifty-one million, four hundred six thousand, forty-three".