1961373308 has 24 divisors (see below), whose sum is σ = 3465963648. Its totient is φ = 971145216.

The previous prime is 1961373301. The next prime is 1961373311. The reversal of 1961373308 is 8033731691.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961373301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166460 + ... + 177852.

It is an arithmetic number, because the mean of its divisors is an integer number (144415152).

Almost surely, 2^1961373308 is an apocalyptic number.

It is an amenable number.

1961373308 is a deficient number, since it is larger than the sum of its proper divisors (1504590340).

1961373308 is a wasteful number, since it uses less digits than its factorization.

1961373308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1961373308 is about 44287.3944593718. The cubic root of 1961373308 is about 1251.7571677717.

The spelling of 1961373308 in words is "one billion, nine hundred sixty-one million, three hundred seventy-three thousand, three hundred eight".