1961349832324 has 9 divisors (see below), whose sum is σ = 3432367108261. Its totient is φ = 980673515680.

The previous prime is 1961349832313. The next prime is 1961349832381. The reversal of 1961349832324 is 4232389431691.

It is a happy number.

The square root of 1961349832324 is 1400482.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 160385832324 + 1800964000000 = 400482^2 + 1342000^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2450844 + ... + 3151084.

Almost surely, 2^{1961349832324} is an apocalyptic number.

1961349832324 is the 1400482-nd square number.

It is an amenable number.

1961349832324 is a deficient number, since it is larger than the sum of its proper divisors (1471017275937).

1961349832324 is an frugal number, since it uses more digits than its factorization.

1961349832324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400486 (or 700243 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 1961349832324 in words is "one trillion, nine hundred sixty-one billion, three hundred forty-nine million, eight hundred thirty-two thousand, three hundred twenty-four".