3609980421 has 8 divisors (see below), whose sum is σ = 4862929344. Its totient is φ = 2381842560.

The previous prime is 3609980401. The next prime is 3609980459. The reversal of 3609980421 is 1240899063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3609980421 - 2⁶ = 3609980357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609980401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6202425 + ... + 6203006.

It is an arithmetic number, because the mean of its divisors is an integer number (607866168).

Almost surely, 2^3609980421 is an apocalyptic number.

It is an amenable number.

3609980421 is a deficient number, since it is larger than the sum of its proper divisors (1252948923).

3609980421 is a wasteful number, since it uses less digits than its factorization.

3609980421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405531.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 3609980421 is about 60083.1126107827. The cubic root of 3609980421 is about 1534.0338710680.

The spelling of 3609980421 in words is "three billion, six hundred nine million, nine hundred eighty thousand, four hundred twenty-one".