628020250001 has 4 divisors (see below), whose sum is σ = 628072549104. Its totient is φ = 627967950900.

The previous prime is 628020249991. The next prime is 628020250021. The reversal of 628020250001 is 100052020826.

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 a cyclic number.

It is not a de Polignac number, because 628020250001 - 2⁶ = 628020249937 is a prime.

It is a super-2 number, since 2×628020250001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628020250021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26131535 + ... + 26155556.

It is an arithmetic number, because the mean of its divisors is an integer number (157018137276).

Almost surely, 2^628020250001 is an apocalyptic number.

It is an amenable number.

628020250001 is a deficient number, since it is larger than the sum of its proper divisors (52299103).

628020250001 is a wasteful number, since it uses less digits than its factorization.

628020250001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52299102.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 628020250001 its reverse (100052020826), we get a palindrome (728072270827).

The spelling of 628020250001 in words is "six hundred twenty-eight billion, twenty million, two hundred fifty thousand, one".