3489148861 has 12 divisors (see below), whose sum is σ = 3836657916. Its totient is φ = 3170731520.

The previous prime is 3489148853. The next prime is 3489148889. The reversal of 3489148861 is 1688419843.

It can be written as a sum of positive squares in 2 ways, for example, as 1615557636 + 1873591225 = 40194^2 + 43285^2 .

It is not a de Polignac number, because 3489148861 - 2³ = 3489148853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3489148799 and 3489148808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489142861) 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, 496605 + ... + 503581.

It is an arithmetic number, because the mean of its divisors is an integer number (319721493).

Almost surely, 2^3489148861 is an apocalyptic number.

It is an amenable number.

3489148861 is a deficient number, since it is larger than the sum of its proper divisors (347509055).

3489148861 is a wasteful number, since it uses less digits than its factorization.

3489148861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132 (or 11121 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The square root of 3489148861 is about 59069.0177758188. The cubic root of 3489148861 is about 1516.7237925967.

The spelling of 3489148861 in words is "three billion, four hundred eighty-nine million, one hundred forty-eight thousand, eight hundred sixty-one".