4247377345 has 8 divisors (see below), whose sum is σ = 5097476520. Its totient is φ = 3397486080.

The previous prime is 4247377339. The next prime is 4247377369. The reversal of 4247377345 is 5437737424.

It can be written as a sum of positive squares in 4 ways, for example, as 384630544 + 3862746801 = 19612^2 + 62151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4247377345 - 2¹³ = 4247369153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4247377295 and 4247377304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800 + ... + 92209.

It is an arithmetic number, because the mean of its divisors is an integer number (637184565).

Almost surely, 2^4247377345 is an apocalyptic number.

It is an amenable number.

4247377345 is a deficient number, since it is larger than the sum of its proper divisors (850099175).

4247377345 is an equidigital number, since it uses as much as digits as its factorization.

4247377345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103955.

The product of its digits is 1975680, while the sum is 46.

The square root of 4247377345 is about 65171.9061022462. The cubic root of 4247377345 is about 1619.4726405454.

The spelling of 4247377345 in words is "four billion, two hundred forty-seven million, three hundred seventy-seven thousand, three hundred forty-five".