4215555401 has 4 divisors (see below), whose sum is σ = 4225336704. Its totient is φ = 4205774100.

The previous prime is 4215555359. The next prime is 4215555451. The reversal of 4215555401 is 1045555124.

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 4215555401 - 2²² = 4211361097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4215555451) 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, 4890005 + ... + 4890866.

It is an arithmetic number, because the mean of its divisors is an integer number (1056334176).

Almost surely, 2^4215555401 is an apocalyptic number.

It is an amenable number.

4215555401 is a deficient number, since it is larger than the sum of its proper divisors (9781303).

4215555401 is an equidigital number, since it uses as much as digits as its factorization.

4215555401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781302.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 4215555401 is about 64927.3085919939. The cubic root of 4215555401 is about 1615.4180594272.

The spelling of 4215555401 in words is "four billion, two hundred fifteen million, five hundred fifty-five thousand, four hundred one".