7452641853 has 12 divisors (see below), whose sum is σ = 10766932540. Its totient is φ = 4967502336.

The previous prime is 7452641837. The next prime is 7452641857. The reversal of 7452641853 is 3581462547.

7452641853 is a `hidden beast` number, since 7 + 4 + 526 + 41 + 85 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 472540644 + 6980101209 = 21738^2 + 83547^2 .

It is not a de Polignac number, because 7452641853 - 2⁴ = 7452641837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7452641799 and 7452641808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7452641857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24226 + ... + 124467.

Almost surely, 2^7452641853 is an apocalyptic number.

It is an amenable number.

7452641853 is a deficient number, since it is larger than the sum of its proper divisors (3314290687).

7452641853 is a wasteful number, since it uses less digits than its factorization.

7452641853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154268 (or 154265 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 7452641853 is about 86328.6849951973. The cubic root of 7452641853 is about 1953.3050986968.

The spelling of 7452641853 in words is "seven billion, four hundred fifty-two million, six hundred forty-one thousand, eight hundred fifty-three".