4642949 has 2 divisors, whose sum is σ = 4642950. Its totient is φ = 4642948.

The previous prime is 4642927. The next prime is 4642951. The reversal of 4642949 is 9492464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 20449 = 2150^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642949 - 2¹⁶ = 4577413 is a prime.

Together with 4642951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321474 + 2321475.

It is an arithmetic number, because the mean of its divisors is an integer number (2321475).

Almost surely, 2^4642949 is an apocalyptic number.

It is an amenable number.

4642949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642949 is an equidigital number, since it uses as much as digits as its factorization.

4642949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 4642949 is about 2154.7503335654. The cubic root of 4642949 is about 166.8263460772.

The spelling of 4642949 in words is "four million, six hundred forty-two thousand, nine hundred forty-nine".