4123634949 has 24 divisors (see below), whose sum is σ = 6935715072. Its totient is φ = 2311901280.

The previous prime is 4123634947. The next prime is 4123634951. The reversal of 4123634949 is 9494363214.

4123634949 is a `hidden beast` number, since 4 + 1 + 2 + 3 + 634 + 9 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (4123634947) and next prime (4123634951).

It is not a de Polignac number, because 4123634949 - 2¹ = 4123634947 is a prime.

It is a super-2 number, since 2×4123634949² = 34008730385228465202, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123634947) 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 23 ways as a sum of consecutive naturals, for example, 614157 + ... + 620834.

It is an arithmetic number, because the mean of its divisors is an integer number (288988128).

Almost surely, 2^4123634949 is an apocalyptic number.

It is an amenable number.

4123634949 is a deficient number, since it is larger than the sum of its proper divisors (2812080123).

4123634949 is a wasteful number, since it uses less digits than its factorization.

4123634949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235057 (or 1235054 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 4123634949 is about 64215.5351063899. The cubic root of 4123634949 is about 1603.5902384926.

The spelling of 4123634949 in words is "four billion, one hundred twenty-three million, six hundred thirty-four thousand, nine hundred forty-nine".