3609346815780 has 96 divisors (see below), whose sum is σ = 10410112142976. Its totient is φ = 933700110336.

The previous prime is 3609346815779. The next prime is 3609346815827. The reversal of 3609346815780 is 875186439063.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1664074 + ... + 3160353.

It is an arithmetic number, because the mean of its divisors is an integer number (108438668156).

Almost surely, 2^{3609346815780} is an apocalyptic number.

3609346815780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3609346815780 is an abundant number, since it is smaller than the sum of its proper divisors (6800765327196).

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

3609346815780 is a wasteful number, since it uses less digits than its factorization.

3609346815780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824813 (or 4824811 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 3609346815780 in words is "three trillion, six hundred nine billion, three hundred forty-six million, eight hundred fifteen thousand, seven hundred eighty".