3477649861 has 8 divisors (see below), whose sum is σ = 3980760704. Its totient is φ = 2976114960.

The previous prime is 3477649859. The next prime is 3477649891. The reversal of 3477649861 is 1689467743.

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

It is not a de Polignac number, because 3477649861 - 2¹ = 3477649859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3477649801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389250 + ... + 398083.

It is an arithmetic number, because the mean of its divisors is an integer number (497595088).

Almost surely, 2^3477649861 is an apocalyptic number.

It is an amenable number.

3477649861 is a deficient number, since it is larger than the sum of its proper divisors (503110843).

3477649861 is an equidigital number, since it uses as much as digits as its factorization.

3477649861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787971.

The product of its digits is 6096384, while the sum is 55.

The square root of 3477649861 is about 58971.6021573096. The cubic root of 3477649861 is about 1515.0557638673.

The spelling of 3477649861 in words is "three billion, four hundred seventy-seven million, six hundred forty-nine thousand, eight hundred sixty-one".