3509031940461 has 20 divisors (see below), whose sum is σ = 5469795362592. Its totient is φ = 2237643555048.

The previous prime is 3509031940451. The next prime is 3509031940487. The reversal of 3509031940461 is 1640491309053.

3509031940461 is a `hidden beast` number, since 3 + 50 + 90 + 3 + 19 + 40 + 461 = 666.

It is not a de Polignac number, because 3509031940461 - 2¹⁰ = 3509031939437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509031940451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 941767311 + ... + 941771036.

Almost surely, 2^{3509031940461} is an apocalyptic number.

It is an amenable number.

3509031940461 is a deficient number, since it is larger than the sum of its proper divisors (1960763422131).

3509031940461 is a wasteful number, since it uses less digits than its factorization.

3509031940461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883538382 (or 1883538373 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 3509031940461 in words is "three trillion, five hundred nine billion, thirty-one million, nine hundred forty thousand, four hundred sixty-one".