7049661407 has 4 divisors (see below), whose sum is σ = 7054596120. Its totient is φ = 7044726696.

The previous prime is 7049661397. The next prime is 7049661427. The reversal of 7049661407 is 7041669407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7041669407 = 52181 ⋅134947.

It is a cyclic number.

It is not a de Polignac number, because 7049661407 - 2⁶ = 7049661343 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 (7049661427) 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, 2465213 + ... + 2468070.

It is an arithmetic number, because the mean of its divisors is an integer number (1763649030).

Almost surely, 2^7049661407 is an apocalyptic number.

7049661407 is a deficient number, since it is larger than the sum of its proper divisors (4934713).

7049661407 is a wasteful number, since it uses less digits than its factorization.

7049661407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934712.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 7049661407 is about 83962.2618025503. The cubic root of 7049661407 is about 1917.4442817859. Note that the first 3 decimals are identical.

The spelling of 7049661407 in words is "seven billion, forty-nine million, six hundred sixty-one thousand, four hundred seven".