4891750545 has 64 divisors (see below), whose sum is σ = 9114716160. Its totient is φ = 2215180800.

The previous prime is 4891750541. The next prime is 4891750559. The reversal of 4891750545 is 5450571984.

It is a happy number.

It is not a de Polignac number, because 4891750545 - 2² = 4891750541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4891750494 and 4891750503.

It is not an unprimeable number, because it can be changed into a prime (4891750541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211597 + ... + 233573.

It is an arithmetic number, because the mean of its divisors is an integer number (142417440).

Almost surely, 2^4891750545 is an apocalyptic number.

It is an amenable number.

4891750545 is a deficient number, since it is larger than the sum of its proper divisors (4222965615).

4891750545 is a wasteful number, since it uses less digits than its factorization.

4891750545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22086.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 4891750545 is about 69941.0504996887. The cubic root of 4891750545 is about 1697.5455404257.

The spelling of 4891750545 in words is "four billion, eight hundred ninety-one million, seven hundred fifty thousand, five hundred forty-five".