3447964799 has 4 divisors (see below), whose sum is σ = 3597876336. Its totient is φ = 3298053264.

The previous prime is 3447964781. The next prime is 3447964811. The reversal of 3447964799 is 9974697443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9974697443 = 73 ⋅136639691.

It is a cyclic number.

It is not a de Polignac number, because 3447964799 - 2¹⁶ = 3447899263 is a prime.

It is a super-2 number, since 2×3447964799² = 23776922510286220802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447964759) 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, 74955734 + ... + 74955779.

It is an arithmetic number, because the mean of its divisors is an integer number (899469084).

Almost surely, 2^3447964799 is an apocalyptic number.

3447964799 is a deficient number, since it is larger than the sum of its proper divisors (149911537).

3447964799 is a wasteful number, since it uses less digits than its factorization.

3447964799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149911536.

The product of its digits is 41150592, while the sum is 62.

The square root of 3447964799 is about 58719.3732851433. The cubic root of 3447964799 is about 1510.7326238885.

The spelling of 3447964799 in words is "three billion, four hundred forty-seven million, nine hundred sixty-four thousand, seven hundred ninety-nine".