4487650971349 has 48 divisors (see below), whose sum is σ = 5644781522688. Its totient is φ = 3536231707008.

The previous prime is 4487650971343. The next prime is 4487650971379. The reversal of 4487650971349 is 9431790567844.

It is not a de Polignac number, because 4487650971349 - 2¹⁹ = 4487650447061 is a prime.

It is a super-2 number, since 2×4487650971349² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487650971343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259498147 + ... + 259515439.

It is an arithmetic number, because the mean of its divisors is an integer number (117599615056).

Almost surely, 2^{4487650971349} is an apocalyptic number.

4487650971349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4487650971349 is a deficient number, since it is larger than the sum of its proper divisors (1157130551339).

4487650971349 is a wasteful number, since it uses less digits than its factorization.

4487650971349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954 (or 18947 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 4487650971349 in words is "four trillion, four hundred eighty-seven billion, six hundred fifty million, nine hundred seventy-one thousand, three hundred forty-nine".