4932144457 has 4 divisors (see below), whose sum is σ = 4935234436. Its totient is φ = 4929054480.

The previous prime is 4932144409. The next prime is 4932144461. The reversal of 4932144457 is 7544412394.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2738533561 + 2193610896 = 52331^2 + 46836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4932144457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4932144467) 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 3 ways as a sum of consecutive naturals, for example, 1542594 + ... + 1545787.

It is an arithmetic number, because the mean of its divisors is an integer number (1233808609).

Almost surely, 2^4932144457 is an apocalyptic number.

It is an amenable number.

4932144457 is a deficient number, since it is larger than the sum of its proper divisors (3089979).

4932144457 is a wasteful number, since it uses less digits than its factorization.

4932144457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089978.

The product of its digits is 483840, while the sum is 43.

The square root of 4932144457 is about 70229.2279396549. The cubic root of 4932144457 is about 1702.2052645902.

The spelling of 4932144457 in words is "four billion, nine hundred thirty-two million, one hundred forty-four thousand, four hundred fifty-seven".