3469532857 has 12 divisors (see below), whose sum is σ = 4036950900. Its totient is φ = 2973175296.

The previous prime is 3469532851. The next prime is 3469532863. The reversal of 3469532857 is 7582359643.

It is an interprime number because it is at equal distance from previous prime (3469532851) and next prime (3469532863).

It can be written as a sum of positive squares in 2 ways, for example, as 181198521 + 3288334336 = 13461^2 + 57344^2 .

It is not a de Polignac number, because 3469532857 - 2³ = 3469532849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3469532851) 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, 370173 + ... + 379429.

It is an arithmetic number, because the mean of its divisors is an integer number (336412575).

Almost surely, 2^3469532857 is an apocalyptic number.

It is an amenable number.

3469532857 is a deficient number, since it is larger than the sum of its proper divisors (567418043).

3469532857 is an equidigital number, since it uses as much as digits as its factorization.

3469532857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16920 (or 16913 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 52.

The square root of 3469532857 is about 58902.7406577996. The cubic root of 3469532857 is about 1513.8761076402.

The spelling of 3469532857 in words is "three billion, four hundred sixty-nine million, five hundred thirty-two thousand, eight hundred fifty-seven".