3648062421 has 16 divisors (see below), whose sum is σ = 5434403520. Its totient is φ = 2418601680.

The previous prime is 3648062417. The next prime is 3648062447. The reversal of 3648062421 is 1242608463.

3648062421 is a `hidden beast` number, since 3 + 6 + 4 + 8 + 0 + 624 + 21 = 666.

3648062421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3648062421 - 2² = 3648062417 is a prime.

It is a super-3 number, since 3×3648062421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648062461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368355 + ... + 378128.

It is an arithmetic number, because the mean of its divisors is an integer number (339650220).

Almost surely, 2^3648062421 is an apocalyptic number.

It is an amenable number.

3648062421 is a deficient number, since it is larger than the sum of its proper divisors (1786341099).

3648062421 is a wasteful number, since it uses less digits than its factorization.

3648062421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746673 (or 746667 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 3648062421 is about 60399.1922214197. The cubic root of 3648062421 is about 1539.4092326978.

The spelling of 3648062421 in words is "three billion, six hundred forty-eight million, sixty-two thousand, four hundred twenty-one".