4157253685 has 16 divisors (see below), whose sum is σ = 5375810160. Its totient is φ = 3068052480.

The previous prime is 4157253673. The next prime is 4157253689. The reversal of 4157253685 is 5863527514.

It can be written as a sum of positive squares in 8 ways, for example, as 148084561 + 4009169124 = 12169^2 + 63318^2 .

It is not a de Polignac number, because 4157253685 - 2⁹ = 4157253173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157253689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89325 + ... + 127645.

It is an arithmetic number, because the mean of its divisors is an integer number (335988135).

Almost surely, 2^4157253685 is an apocalyptic number.

It is an amenable number.

4157253685 is a deficient number, since it is larger than the sum of its proper divisors (1218556475).

4157253685 is a wasteful number, since it uses less digits than its factorization.

4157253685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40008.

The product of its digits is 1008000, while the sum is 46.

The square root of 4157253685 is about 64476.7685682215. The cubic root of 4157253685 is about 1607.9363095169.

The spelling of 4157253685 in words is "four billion, one hundred fifty-seven million, two hundred fifty-three thousand, six hundred eighty-five".