5906202421 has 16 divisors (see below), whose sum is σ = 7108072960. Its totient is φ = 4794078960.

The previous prime is 5906202377. The next prime is 5906202469. The reversal of 5906202421 is 1242026095.

It is a cyclic number.

It is not a de Polignac number, because 5906202421 - 2¹¹ = 5906200373 is a prime.

It is a super-2 number, since 2×5906202421² = 69766454075652522482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5906202121) 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, 387670 + ... + 402616.

It is an arithmetic number, because the mean of its divisors is an integer number (444254560).

Almost surely, 2^5906202421 is an apocalyptic number.

It is an amenable number.

5906202421 is a deficient number, since it is larger than the sum of its proper divisors (1201870539).

5906202421 is a wasteful number, since it uses less digits than its factorization.

5906202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 5906202421 is about 76851.8211950764. The cubic root of 5906202421 is about 1807.6018442704.

The spelling of 5906202421 in words is "five billion, nine hundred six million, two hundred two thousand, four hundred twenty-one".