4237545685 has 16 divisors (see below), whose sum is σ = 5270592240. Its totient is φ = 3266798080.

The previous prime is 4237545671. The next prime is 4237545703. The reversal of 4237545685 is 5865457324.

It can be written as a sum of positive squares in 8 ways, for example, as 412617969 + 3824927716 = 20313^2 + 61846^2 .

It is not a de Polignac number, because 4237545685 - 2²³ = 4229157077 is a prime.

It is a congruent number.

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, 47499 + ... + 103591.

It is an arithmetic number, because the mean of its divisors is an integer number (329412015).

Almost surely, 2^4237545685 is an apocalyptic number.

It is an amenable number.

4237545685 is a deficient number, since it is larger than the sum of its proper divisors (1033046555).

4237545685 is a wasteful number, since it uses less digits than its factorization.

4237545685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56648.

The product of its digits is 4032000, while the sum is 49.

The square root of 4237545685 is about 65096.4337348829. The cubic root of 4237545685 is about 1618.2221115566. Note that the first 3 decimals are identical.

The spelling of 4237545685 in words is "four billion, two hundred thirty-seven million, five hundred forty-five thousand, six hundred eighty-five".