1973613995 has 16 divisors (see below), whose sum is σ = 2459160000. Its totient is φ = 1518749568.

The previous prime is 1973613973. The next prime is 1973614021. The reversal of 1973613995 is 5993163791.

It is a cyclic number.

It is not a de Polignac number, because 1973613995 - 2¹² = 1973609899 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 13706 + ... + 64304.

It is an arithmetic number, because the mean of its divisors is an integer number (153697500).

Almost surely, 2^1973613995 is an apocalyptic number.

1973613995 is a deficient number, since it is larger than the sum of its proper divisors (485546005).

1973613995 is a wasteful number, since it uses less digits than its factorization.

1973613995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50902.

The product of its digits is 1377810, while the sum is 53.

The square root of 1973613995 is about 44425.3755752273. The cubic root of 1973613995 is about 1254.3557896470.

The spelling of 1973613995 in words is "one billion, nine hundred seventy-three million, six hundred thirteen thousand, nine hundred ninety-five".