667201739039 has 6 divisors (see below), whose sum is σ = 733370506680. Its totient is φ = 606547035380.

The previous prime is 667201738991. The next prime is 667201739077. The reversal of 667201739039 is 930937102766.

667201739039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667201739039 - 2¹⁶ = 667201673503 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 (667201732039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2757031859 + ... + 2757032100.

It is an arithmetic number, because the mean of its divisors is an integer number (122228417780).

Almost surely, 2^667201739039 is an apocalyptic number.

667201739039 is a deficient number, since it is larger than the sum of its proper divisors (66168767641).

667201739039 is a wasteful number, since it uses less digits than its factorization.

667201739039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514063981 (or 5514063970 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 53.

The spelling of 667201739039 in words is "six hundred sixty-seven billion, two hundred one million, seven hundred thirty-nine thousand, thirty-nine".