4211555401 has 4 divisors (see below), whose sum is σ = 4459293972. Its totient is φ = 3963816832.

The previous prime is 4211555329. The next prime is 4211555419. The reversal of 4211555401 is 1045551124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1648766025 + 2562789376 = 40605^2 + 50624^2 .

It is not a de Polignac number, because 4211555401 - 2¹³ = 4211547209 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 4211555401.

It is not an unprimeable number, because it can be changed into a prime (4211555431) 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, 123869260 + ... + 123869293.

It is an arithmetic number, because the mean of its divisors is an integer number (1114823493).

Almost surely, 2^4211555401 is an apocalyptic number.

It is an amenable number.

4211555401 is a deficient number, since it is larger than the sum of its proper divisors (247738571).

4211555401 is a wasteful number, since it uses less digits than its factorization.

4211555401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247738570.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 4211555401 is about 64896.4976019508. The cubic root of 4211555401 is about 1614.9069589548.

The spelling of 4211555401 in words is "four billion, two hundred eleven million, five hundred fifty-five thousand, four hundred one".