1961701363 has 4 divisors (see below), whose sum is σ = 1961979448. Its totient is φ = 1961423280.

The previous prime is 1961701361. The next prime is 1961701367. The reversal of 1961701363 is 3631071691.

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 1961701363 - 2¹ = 1961701361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1961701361) 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, 128178 + ... + 142663.

It is an arithmetic number, because the mean of its divisors is an integer number (490494862).

Almost surely, 2^1961701363 is an apocalyptic number.

1961701363 is a deficient number, since it is larger than the sum of its proper divisors (278085).

1961701363 is an equidigital number, since it uses as much as digits as its factorization.

1961701363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278084.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 1961701363 is about 44291.0980107741. The cubic root of 1961701363 is about 1251.8269526011.

The spelling of 1961701363 in words is "one billion, nine hundred sixty-one million, seven hundred one thousand, three hundred sixty-three".