4909545431 has 16 divisors (see below), whose sum is σ = 5935079424. Its totient is φ = 3970067904.

The previous prime is 4909545419. The next prime is 4909545439. The reversal of 4909545431 is 1345459094.

4909545431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4909545431 - 2¹⁴ = 4909529047 is a prime.

It is a super-2 number, since 2×4909545431² = 48207272678105951522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909545439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197111 + ... + 220616.

It is an arithmetic number, because the mean of its divisors is an integer number (370942464).

Almost surely, 2^4909545431 is an apocalyptic number.

4909545431 is a deficient number, since it is larger than the sum of its proper divisors (1025533993).

4909545431 is a wasteful number, since it uses less digits than its factorization.

4909545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417830.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 4909545431 is about 70068.1484770363. The cubic root of 4909545431 is about 1699.6014557084.

The spelling of 4909545431 in words is "four billion, nine hundred nine million, five hundred forty-five thousand, four hundred thirty-one".