1973613086 has 4 divisors (see below), whose sum is σ = 2960419632. Its totient is φ = 986806542.

The previous prime is 1973613077. The next prime is 1973613107. The reversal of 1973613086 is 6803163791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6803163791 = 39359 ⋅172849.

It is a super-2 number, since 2×1973613086² = 7790297226460886792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493403270 + ... + 493403273.

It is an arithmetic number, because the mean of its divisors is an integer number (740104908).

Almost surely, 2^1973613086 is an apocalyptic number.

1973613086 is a deficient number, since it is larger than the sum of its proper divisors (986806546).

1973613086 is an equidigital number, since it uses as much as digits as its factorization.

1973613086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986806545.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1973613086 is about 44425.3653445866. The cubic root of 1973613086 is about 1254.3555970714.

The spelling of 1973613086 in words is "one billion, nine hundred seventy-three million, six hundred thirteen thousand, eighty-six".