3620521047 has 16 divisors (see below), whose sum is σ = 5671306368. Its totient is φ = 2025466080.

The previous prime is 3620521039. The next prime is 3620521049. The reversal of 3620521047 is 7401250263.

It is not a de Polignac number, because 3620521047 - 2³ = 3620521039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620521049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4219293 + ... + 4220150.

It is an arithmetic number, because the mean of its divisors is an integer number (354456648).

Almost surely, 2^3620521047 is an apocalyptic number.

3620521047 is a deficient number, since it is larger than the sum of its proper divisors (2050785321).

3620521047 is a wasteful number, since it uses less digits than its factorization.

3620521047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439470.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3620521047 is about 60170.7657172484. The cubic root of 3620521047 is about 1535.5254733471.

The spelling of 3620521047 in words is "three billion, six hundred twenty million, five hundred twenty-one thousand, forty-seven".