3949011005 has 8 divisors (see below), whose sum is σ = 5017567032. Its totient is φ = 2973372928.

The previous prime is 3949010963. The next prime is 3949011023. The reversal of 3949011005 is 5001109493.

It can be written as a sum of positive squares in 4 ways, for example, as 45010681 + 3904000324 = 6709^2 + 62482^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3949011005 - 2²⁰ = 3947962429 is a prime.

It is a super-2 number, since 2×3949011005² = 31189375835222220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23229392 + ... + 23229561.

It is an arithmetic number, because the mean of its divisors is an integer number (627195879).

Almost surely, 2^3949011005 is an apocalyptic number.

It is an amenable number.

3949011005 is a deficient number, since it is larger than the sum of its proper divisors (1068556027).

3949011005 is a wasteful number, since it uses less digits than its factorization.

3949011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46458975.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 3949011005 is about 62841.1569355625. The cubic root of 3949011005 is about 1580.6271885116.

The spelling of 3949011005 in words is "three billion, nine hundred forty-nine million, eleven thousand, five".