3610869012 has 36 divisors (see below), whose sum is σ = 9299695860. Its totient is φ = 1180912512.

The previous prime is 3610869011. The next prime is 3610869013. The reversal of 3610869012 is 2109680163.

It is an interprime number because it is at equal distance from previous prime (3610869011) and next prime (3610869013).

It can be written as a sum of positive squares in 2 ways, for example, as 2694232836 + 916636176 = 51906^2 + 30276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3610869012² = 26076750043643712288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3610869011) 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, 944337 + ... + 948152.

It is an arithmetic number, because the mean of its divisors is an integer number (258324885).

Almost surely, 2^3610869012 is an apocalyptic number.

It is an amenable number.

3610869012 is an abundant number, since it is smaller than the sum of its proper divisors (5688826848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3610869012 is a wasteful number, since it uses less digits than its factorization.

3610869012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892552 (or 1892547 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3610869012 is about 60090.5068376029. The cubic root of 3610869012 is about 1534.1597274165.

The spelling of 3610869012 in words is "three billion, six hundred ten million, eight hundred sixty-nine thousand, twelve".