4909548157 has 8 divisors (see below), whose sum is σ = 5038968312. Its totient is φ = 4780588800.

The previous prime is 4909548121. The next prime is 4909548209. The reversal of 4909548157 is 7518459094.

It can be written as a sum of positive squares in 4 ways, for example, as 23677956 + 4885870201 = 4866^2 + 69899^2 .

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 4909548157 - 2¹⁵ = 4909515389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909548107) 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, 93558 + ... + 136279.

It is an arithmetic number, because the mean of its divisors is an integer number (629871039).

Almost surely, 2^4909548157 is an apocalyptic number.

It is an amenable number.

4909548157 is a deficient number, since it is larger than the sum of its proper divisors (129420155).

4909548157 is a wasteful number, since it uses less digits than its factorization.

4909548157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230399.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 4909548157 is about 70068.1679295242. The cubic root of 4909548157 is about 1699.6017702733.

The spelling of 4909548157 in words is "four billion, nine hundred nine million, five hundred forty-eight thousand, one hundred fifty-seven".