202048538401 has 4 divisors (see below), whose sum is σ = 202184416512. Its totient is φ = 201912660292.

The previous prime is 202048538399. The next prime is 202048538413. The reversal of 202048538401 is 104835840202.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104835840202 = 2 ⋅52417920101.

It is a cyclic number.

It is not a de Polignac number, because 202048538401 - 2¹ = 202048538399 is a prime.

It is a super-4 number, since 4×202048538401⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202048538201) 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, 67936825 + ... + 67939798.

It is an arithmetic number, because the mean of its divisors is an integer number (50546104128).

Almost surely, 2^202048538401 is an apocalyptic number.

It is an amenable number.

202048538401 is a deficient number, since it is larger than the sum of its proper divisors (135878111).

202048538401 is a wasteful number, since it uses less digits than its factorization.

202048538401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135878110.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 202048538401 in words is "two hundred two billion, forty-eight million, five hundred thirty-eight thousand, four hundred one".