4477494947745 has 32 divisors (see below), whose sum is σ = 7416037960704. Its totient is φ = 2304418406400.

The previous prime is 4477494947719. The next prime is 4477494947749. The reversal of 4477494947745 is 5477494947744.

It is not a de Polignac number, because 4477494947745 - 2⁷ = 4477494947617 is a prime.

It is a super-2 number, since 2×4477494947745² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4477494947749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13474696 + ... + 13802985.

It is an arithmetic number, because the mean of its divisors is an integer number (231751186272).

Almost surely, 2^{4477494947745} is an apocalyptic number.

It is an amenable number.

4477494947745 is a deficient number, since it is larger than the sum of its proper divisors (2938543012959).

4477494947745 is a wasteful number, since it uses less digits than its factorization.

4477494947745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27278073.

The product of its digits is 3982970880, while the sum is 75.

Subtracting 4477494947745 from its reverse (5477494947744), we obtain a palindrome (999999999999).

The spelling of 4477494947745 in words is "four trillion, four hundred seventy-seven billion, four hundred ninety-four million, nine hundred forty-seven thousand, seven hundred forty-five".