3621407871 has 8 divisors (see below), whose sum is σ = 4894688560. Its totient is φ = 2381199552.

The previous prime is 3621407843. The next prime is 3621407887. The reversal of 3621407871 is 1787041263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3621407871 - 2⁷ = 3621407743 is a prime.

It is a super-2 number, since 2×3621407871² = 26229189936281505282, 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 (3621407071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8267836 + ... + 8268273.

It is an arithmetic number, because the mean of its divisors is an integer number (611836070).

Almost surely, 2^3621407871 is an apocalyptic number.

3621407871 is a deficient number, since it is larger than the sum of its proper divisors (1273280689).

3621407871 is a wasteful number, since it uses less digits than its factorization.

3621407871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536185.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 3621407871 is about 60178.1344925215. The cubic root of 3621407871 is about 1535.6508355677.

The spelling of 3621407871 in words is "three billion, six hundred twenty-one million, four hundred seven thousand, eight hundred seventy-one".