2151368774 has 16 divisors (see below), whose sum is σ = 3316564608. Its totient is φ = 1045887552.

The previous prime is 2151368773. The next prime is 2151368789. The reversal of 2151368774 is 4778631512.

It is a super-3 number, since 3×2151368774³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151368771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106682 + ... + 125234.

It is an arithmetic number, because the mean of its divisors is an integer number (207285288).

Almost surely, 2^2151368774 is an apocalyptic number.

2151368774 is a deficient number, since it is larger than the sum of its proper divisors (1165195834).

2151368774 is a wasteful number, since it uses less digits than its factorization.

2151368774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159.

The product of its digits is 282240, while the sum is 44.

The square root of 2151368774 is about 46382.8499986795. The cubic root of 2151368774 is about 1290.9367180423.

The spelling of 2151368774 in words is "two billion, one hundred fifty-one million, three hundred sixty-eight thousand, seven hundred seventy-four".