1961884325510 has 16 divisors (see below), whose sum is σ = 3531424570416. Its totient is φ = 784746444768.

The previous prime is 1961884325509. The next prime is 1961884325521. The reversal of 1961884325510 is 155234881691.

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 7 ways as a sum of consecutive naturals, for example, 296537 + ... + 2002923.

It is an arithmetic number, because the mean of its divisors is an integer number (220714035651).

Almost surely, 2^{1961884325510} is an apocalyptic number.

1961884325510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961884325510 is a deficient number, since it is larger than the sum of its proper divisors (1569540244906).

1961884325510 is a wasteful number, since it uses less digits than its factorization.

1961884325510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821367.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 1961884325510 in words is "one trillion, nine hundred sixty-one billion, eight hundred eighty-four million, three hundred twenty-five thousand, five hundred ten".