196261962619 has 4 divisors (see below), whose sum is σ = 196335775720. Its totient is φ = 196188149520.

The previous prime is 196261962613. The next prime is 196261962667. The reversal of 196261962619 is 916269162691.

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 196261962619 - 2¹¹ = 196261960571 is a prime.

It is a super-2 number, since 2×196261962619² (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 (196261962613) 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, 36902562 + ... + 36907879.

It is an arithmetic number, because the mean of its divisors is an integer number (49083943930).

Almost surely, 2^196261962619 is an apocalyptic number.

196261962619 is a deficient number, since it is larger than the sum of its proper divisors (73813101).

196261962619 is an equidigital number, since it uses as much as digits as its factorization.

196261962619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73813100.

The product of its digits is 3779136, while the sum is 58.

The spelling of 196261962619 in words is "one hundred ninety-six billion, two hundred sixty-one million, nine hundred sixty-two thousand, six hundred nineteen".