3531157748 has 12 divisors (see below), whose sum is σ = 6180075300. Its totient is φ = 1765421952.

The previous prime is 3531157699. The next prime is 3531157829. The reversal of 3531157748 is 8477511353.

3531157748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 453349264 + 3077808484 = 21292^2 + 55478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3531157699 and 3531157708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22028 + ... + 86876.

It is an arithmetic number, because the mean of its divisors is an integer number (515006275).

Almost surely, 2^3531157748 is an apocalyptic number.

It is an amenable number.

3531157748 is a deficient number, since it is larger than the sum of its proper divisors (2648917552).

3531157748 is a wasteful number, since it uses less digits than its factorization.

3531157748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78466 (or 78464 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 3531157748 is about 59423.5454007921. The cubic root of 3531157748 is about 1522.7865763399.

The spelling of 3531157748 in words is "three billion, five hundred thirty-one million, one hundred fifty-seven thousand, seven hundred forty-eight".