4636907749 has 4 divisors (see below), whose sum is σ = 4640895936. Its totient is φ = 4632919564.

The previous prime is 4636907707. The next prime is 4636907771. The reversal of 4636907749 is 9477096364.

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 4636907749 - 2¹³ = 4636899557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4636907749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4636901749) 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, 1992349 + ... + 1994674.

It is an arithmetic number, because the mean of its divisors is an integer number (1160223984).

Almost surely, 2^4636907749 is an apocalyptic number.

It is an amenable number.

4636907749 is a deficient number, since it is larger than the sum of its proper divisors (3988187).

4636907749 is a wasteful number, since it uses less digits than its factorization.

4636907749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988186.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The square root of 4636907749 is about 68094.8437768969. The cubic root of 4636907749 is about 1667.5395837208.

The spelling of 4636907749 in words is "four billion, six hundred thirty-six million, nine hundred seven thousand, seven hundred forty-nine".