3685514421 has 4 divisors (see below), whose sum is σ = 4914019232. Its totient is φ = 2457009612.

The previous prime is 3685514419. The next prime is 3685514461. The reversal of 3685514421 is 1244155863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3685514421 - 2¹ = 3685514419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3685514421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685514401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614252401 + ... + 614252406.

It is an arithmetic number, because the mean of its divisors is an integer number (1228504808).

Almost surely, 2^3685514421 is an apocalyptic number.

It is an amenable number.

3685514421 is a deficient number, since it is larger than the sum of its proper divisors (1228504811).

3685514421 is a wasteful number, since it uses less digits than its factorization.

3685514421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228504810.

The product of its digits is 115200, while the sum is 39.

The square root of 3685514421 is about 60708.4378072768. The cubic root of 3685514421 is about 1544.6593050682.

The spelling of 3685514421 in words is "three billion, six hundred eighty-five million, five hundred fourteen thousand, four hundred twenty-one".