4635376989 has 4 divisors (see below), whose sum is σ = 6180502656. Its totient is φ = 3090251324.

The previous prime is 4635376987. The next prime is 4635376997. The reversal of 4635376989 is 9896735364.

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 4635376989 - 2¹ = 4635376987 is a prime.

It is a super-2 number, since 2×4635376989² = 42973439660301412242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635376981) 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, 772562829 + ... + 772562834.

It is an arithmetic number, because the mean of its divisors is an integer number (1545125664).

Almost surely, 2^4635376989 is an apocalyptic number.

It is an amenable number.

4635376989 is a deficient number, since it is larger than the sum of its proper divisors (1545125667).

4635376989 is a wasteful number, since it uses less digits than its factorization.

4635376989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545125666.

The product of its digits is 29393280, while the sum is 60.

The square root of 4635376989 is about 68083.6029378587. The cubic root of 4635376989 is about 1667.3560645901.

The spelling of 4635376989 in words is "four billion, six hundred thirty-five million, three hundred seventy-six thousand, nine hundred eighty-nine".