195268245739 has 16 divisors (see below), whose sum is σ = 230406045696. Its totient is φ = 161943069600.

The previous prime is 195268245643. The next prime is 195268245751. The reversal of 195268245739 is 937542862591.

It is a cyclic number.

It is not a de Polignac number, because 195268245739 - 2¹³ = 195268237547 is a prime.

It is a super-2 number, since 2×195268245739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195268249739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104969 + ... + 1269445.

It is an arithmetic number, because the mean of its divisors is an integer number (14400377856).

Almost surely, 2^195268245739 is an apocalyptic number.

195268245739 is a deficient number, since it is larger than the sum of its proper divisors (35137799957).

195268245739 is a wasteful number, since it uses less digits than its factorization.

195268245739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169986.

The product of its digits is 32659200, while the sum is 61.

The spelling of 195268245739 in words is "one hundred ninety-five billion, two hundred sixty-eight million, two hundred forty-five thousand, seven hundred thirty-nine".