5621034671 has 4 divisors (see below), whose sum is σ = 6424039632. Its totient is φ = 4818029712.

The previous prime is 5621034659. The next prime is 5621034673. The reversal of 5621034671 is 1764301265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1764301265 = 5 ⋅352860253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5621034671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621034673) 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, 401502470 + ... + 401502483.

It is an arithmetic number, because the mean of its divisors is an integer number (1606009908).

Almost surely, 2^5621034671 is an apocalyptic number.

5621034671 is a deficient number, since it is larger than the sum of its proper divisors (803004961).

5621034671 is an equidigital number, since it uses as much as digits as its factorization.

5621034671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803004960.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5621034671 is about 74973.5598127767. The cubic root of 5621034671 is about 1778.0286502385.

The spelling of 5621034671 in words is "five billion, six hundred twenty-one million, thirty-four thousand, six hundred seventy-one".