4247645545 has 16 divisors (see below), whose sum is σ = 5988290112. Its totient is φ = 2851565760.

The previous prime is 4247645537. The next prime is 4247645561. The reversal of 4247645545 is 5455467424.

It is not a de Polignac number, because 4247645545 - 2³ = 4247645537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4247645495 and 4247645504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2969667 + ... + 2971096.

It is an arithmetic number, because the mean of its divisors is an integer number (374268132).

Almost surely, 2^4247645545 is an apocalyptic number.

It is an amenable number.

4247645545 is a deficient number, since it is larger than the sum of its proper divisors (1740644567).

4247645545 is a wasteful number, since it uses less digits than its factorization.

4247645545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940792.

The product of its digits is 2688000, while the sum is 46.

The square root of 4247645545 is about 65173.9637048415. The cubic root of 4247645545 is about 1619.5067269462.

The spelling of 4247645545 in words is "four billion, two hundred forty-seven million, six hundred forty-five thousand, five hundred forty-five".