2152744867 has 16 divisors (see below), whose sum is σ = 2805388992. Its totient is φ = 1603077120.

The previous prime is 2152744843. The next prime is 2152744871. The reversal of 2152744867 is 7684472512.

It is a cyclic number.

It is not a de Polignac number, because 2152744867 - 2¹⁹ = 2152220579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152744817) 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 15 ways as a sum of consecutive naturals, for example, 694234 + ... + 697327.

It is an arithmetic number, because the mean of its divisors is an integer number (175336812).

Almost surely, 2^2152744867 is an apocalyptic number.

2152744867 is a deficient number, since it is larger than the sum of its proper divisors (652644125).

2152744867 is a wasteful number, since it uses less digits than its factorization.

2152744867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391598.

The product of its digits is 752640, while the sum is 46.

The square root of 2152744867 is about 46397.6816985504. The cubic root of 2152744867 is about 1291.2119025941.

The spelling of 2152744867 in words is "two billion, one hundred fifty-two million, seven hundred forty-four thousand, eight hundred sixty-seven".