6195978055739 has 4 divisors (see below), whose sum is σ = 6196087839624. Its totient is φ = 6195868271856.

The previous prime is 6195978055733. The next prime is 6195978055777. The reversal of 6195978055739 is 9375508795916.

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 6195978055739 - 2²⁰ = 6195977007163 is a prime.

It is a super-2 number, since 2×6195978055739² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6195978055733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54807242 + ... + 54920175.

It is an arithmetic number, because the mean of its divisors is an integer number (1549021959906).

Almost surely, 2^{6195978055739} is an apocalyptic number.

6195978055739 is a deficient number, since it is larger than the sum of its proper divisors (109783885).

6195978055739 is a wasteful number, since it uses less digits than its factorization.

6195978055739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109783884.

The product of its (nonzero) digits is 642978000, while the sum is 74.

The spelling of 6195978055739 in words is "six trillion, one hundred ninety-five billion, nine hundred seventy-eight million, fifty-five thousand, seven hundred thirty-nine".