601669749 has 8 divisors (see below), whose sum is σ = 803836000. Its totient is φ = 400308336.

The previous prime is 601669721. The next prime is 601669781. The reversal of 601669749 is 947966106.

601669749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 601669749 - 2¹¹ = 601667701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 601669698 and 601669707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601669799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199462 + ... + 202455.

It is an arithmetic number, because the mean of its divisors is an integer number (100479500).

Almost surely, 2^601669749 is an apocalyptic number.

It is an amenable number.

601669749 is a deficient number, since it is larger than the sum of its proper divisors (202166251).

601669749 is a wasteful number, since it uses less digits than its factorization.

601669749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402419.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 601669749 is about 24528.9573565612. The cubic root of 601669749 is about 844.2143411090.

The spelling of 601669749 in words is "six hundred one million, six hundred sixty-nine thousand, seven hundred forty-nine".