3949735310867 has 4 divisors (see below), whose sum is σ = 3950123272656. Its totient is φ = 3949347349080.

The previous prime is 3949735310837. The next prime is 3949735310881. The reversal of 3949735310867 is 7680135379493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3949735310867 - 2¹⁶ = 3949735245331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949735310837) 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, 193965623 + ... + 193985984.

It is an arithmetic number, because the mean of its divisors is an integer number (987530818164).

Almost surely, 2^{3949735310867} is an apocalyptic number.

3949735310867 is a deficient number, since it is larger than the sum of its proper divisors (387961789).

3949735310867 is a wasteful number, since it uses less digits than its factorization.

3949735310867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387961788.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 3949735310867 in words is "three trillion, nine hundred forty-nine billion, seven hundred thirty-five million, three hundred ten thousand, eight hundred sixty-seven".