3605421545 has 16 divisors (see below), whose sum is σ = 4725269568. Its totient is φ = 2619099840.

The previous prime is 3605421539. The next prime is 3605421553. The reversal of 3605421545 is 5451245063.

It is not a de Polignac number, because 3605421545 - 2⁴ = 3605421529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10862 + ... + 85608.

It is an arithmetic number, because the mean of its divisors is an integer number (295329348).

Almost surely, 2^3605421545 is an apocalyptic number.

It is an amenable number.

3605421545 is a deficient number, since it is larger than the sum of its proper divisors (1119848023).

3605421545 is a wasteful number, since it uses less digits than its factorization.

3605421545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75640.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 3605421545 is about 60045.1625445381. The cubic root of 3605421545 is about 1533.3878457568.

The spelling of 3605421545 in words is "three billion, six hundred five million, four hundred twenty-one thousand, five hundred forty-five".