1973725046979 has 16 divisors (see below), whose sum is σ = 3009932574720. Its totient is φ = 1126961052480.

The previous prime is 1973725046977. The next prime is 1973725046999. The reversal of 1973725046979 is 9796405273791.

It is not a de Polignac number, because 1973725046979 - 2¹ = 1973725046977 is a prime.

It is a super-2 number, since 2×1973725046979² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1973725046977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36715482 + ... + 36769199.

It is an arithmetic number, because the mean of its divisors is an integer number (188120785920).

Almost surely, 2^{1973725046979} is an apocalyptic number.

1973725046979 is a deficient number, since it is larger than the sum of its proper divisors (1036207527741).

1973725046979 is a wasteful number, since it uses less digits than its factorization.

1973725046979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73485970.

The product of its (nonzero) digits is 180033840, while the sum is 69.

The spelling of 1973725046979 in words is "one trillion, nine hundred seventy-three billion, seven hundred twenty-five million, forty-six thousand, nine hundred seventy-nine".