1931496645086 has 4 divisors (see below), whose sum is σ = 2897244967632. Its totient is φ = 965748322542.

The previous prime is 1931496645083. The next prime is 1931496645109. The reversal of 1931496645086 is 6805466941391.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1931496645083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482874161270 + ... + 482874161273.

It is an arithmetic number, because the mean of its divisors is an integer number (724311241908).

Almost surely, 2^{1931496645086} is an apocalyptic number.

1931496645086 is a deficient number, since it is larger than the sum of its proper divisors (965748322546).

1931496645086 is an equidigital number, since it uses as much as digits as its factorization.

1931496645086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965748322545.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 1931496645086 in words is "one trillion, nine hundred thirty-one billion, four hundred ninety-six million, six hundred forty-five thousand, eighty-six".