4428634837 has 4 divisors (see below), whose sum is σ = 4831238016. Its totient is φ = 4026031660.

The previous prime is 4428634823. The next prime is 4428634853. The reversal of 4428634837 is 7384368244.

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 4428634837 - 2¹⁹ = 4428110549 is a prime.

It is a super-2 number, since 2×4428634837² = 39225613038980033138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428634807) 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, 201301573 + ... + 201301594.

It is an arithmetic number, because the mean of its divisors is an integer number (1207809504).

Almost surely, 2^4428634837 is an apocalyptic number.

It is an amenable number.

4428634837 is a deficient number, since it is larger than the sum of its proper divisors (402603179).

4428634837 is a wasteful number, since it uses less digits than its factorization.

4428634837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402603178.

The product of its digits is 3096576, while the sum is 49.

The square root of 4428634837 is about 66547.9889778797. The cubic root of 4428634837 is about 1642.1895745165.

The spelling of 4428634837 in words is "four billion, four hundred twenty-eight million, six hundred thirty-four thousand, eight hundred thirty-seven".