1961290484 has 12 divisors (see below), whose sum is σ = 3432626400. Its totient is φ = 980540088.

The previous prime is 1961290403. The next prime is 1961290537. The reversal of 1961290484 is 4840921691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28247 + ... + 68705.

It is an arithmetic number, because the mean of its divisors is an integer number (286052200).

Almost surely, 2^1961290484 is an apocalyptic number.

It is an amenable number.

1961290484 is a deficient number, since it is larger than the sum of its proper divisors (1471335916).

1961290484 is a wasteful number, since it uses less digits than its factorization.

1961290484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52582 (or 52580 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1961290484 is about 44286.4593752989. The cubic root of 1961290484 is about 1251.7395479753.

The spelling of 1961290484 in words is "one billion, nine hundred sixty-one million, two hundred ninety thousand, four hundred eighty-four".