1973894695826 has 16 divisors (see below), whose sum is σ = 3056810641920. Its totient is φ = 954967347840.

The previous prime is 1973894695813. The next prime is 1973894695837. The reversal of 1973894695826 is 6285964983791.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965086 + ... + 2794521.

It is an arithmetic number, because the mean of its divisors is an integer number (191050665120).

Almost surely, 2^{1973894695826} is an apocalyptic number.

1973894695826 is a deficient number, since it is larger than the sum of its proper divisors (1082915946094).

1973894695826 is a wasteful number, since it uses less digits than its factorization.

1973894695826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766329.

The product of its digits is 1410877440, while the sum is 77.

The spelling of 1973894695826 in words is "one trillion, nine hundred seventy-three billion, eight hundred ninety-four million, six hundred ninety-five thousand, eight hundred twenty-six".