4731893145 has 24 divisors (see below), whose sum is σ = 9373655616. Its totient is φ = 2163151008.

The previous prime is 4731893143. The next prime is 4731893147. The reversal of 4731893145 is 5413981374.

It is an interprime number because it is at equal distance from previous prime (4731893143) and next prime (4731893147).

It is not a de Polignac number, because 4731893145 - 2¹ = 4731893143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4731893145.

It is not an unprimeable number, because it can be changed into a prime (4731893143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7510627 + ... + 7511256.

It is an arithmetic number, because the mean of its divisors is an integer number (390568984).

Almost surely, 2^4731893145 is an apocalyptic number.

4731893145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4731893145 is a deficient number, since it is larger than the sum of its proper divisors (4641762471).

4731893145 is a wasteful number, since it uses less digits than its factorization.

4731893145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021901 (or 15021898 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 4731893145 is about 68788.7574026454. The cubic root of 4731893145 is about 1678.8490256313.

The spelling of 4731893145 in words is "four billion, seven hundred thirty-one million, eight hundred ninety-three thousand, one hundred forty-five".