4187078949 has 8 divisors (see below), whose sum is σ = 5620240800. Its totient is φ = 2772651536.

The previous prime is 4187078939. The next prime is 4187078969. The reversal of 4187078949 is 9498707814.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4187078949 - 2⁴ = 4187078933 is a prime.

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 (4187078939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683087 + ... + 4683980.

It is an arithmetic number, because the mean of its divisors is an integer number (702530100).

Almost surely, 2^4187078949 is an apocalyptic number.

It is an amenable number.

4187078949 is a deficient number, since it is larger than the sum of its proper divisors (1433161851).

4187078949 is a wasteful number, since it uses less digits than its factorization.

4187078949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367219.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The square root of 4187078949 is about 64707.6421220863. The cubic root of 4187078949 is about 1611.7724072294.

The spelling of 4187078949 in words is "four billion, one hundred eighty-seven million, seventy-eight thousand, nine hundred forty-nine".