4978474545 has 48 divisors (see below), whose sum is σ = 9084100032. Its totient is φ = 2308817280.

The previous prime is 4978474477. The next prime is 4978474547. The reversal of 4978474545 is 5454748794.

It is not a de Polignac number, because 4978474545 - 2¹² = 4978470449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4978474547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58767 + ... + 115803.

It is an arithmetic number, because the mean of its divisors is an integer number (189252084).

Almost surely, 2^4978474545 is an apocalyptic number.

It is an amenable number.

4978474545 is a deficient number, since it is larger than the sum of its proper divisors (4105625487).

4978474545 is a wasteful number, since it uses less digits than its factorization.

4978474545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57102 (or 57079 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 57.

The square root of 4978474545 is about 70558.3059958216. The cubic root of 4978474545 is about 1707.5185495035.

The spelling of 4978474545 in words is "four billion, nine hundred seventy-eight million, four hundred seventy-four thousand, five hundred forty-five".