1972445937063 has 16 divisors (see below), whose sum is σ = 3027570827520. Its totient is φ = 1118884867776.

The previous prime is 1972445937053. The next prime is 1972445937103. The reversal of 1972445937063 is 3607395442791.

It is a happy number.

It is not a de Polignac number, because 1972445937063 - 2¹⁷ = 1972445805991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1972445936988 and 1972445937006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972445937043) 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, 342792733 + ... + 342798486.

It is an arithmetic number, because the mean of its divisors is an integer number (189223176720).

Almost surely, 2^{1972445937063} is an apocalyptic number.

1972445937063 is a deficient number, since it is larger than the sum of its proper divisors (1055124890457).

1972445937063 is a wasteful number, since it uses less digits than its factorization.

1972445937063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685591366.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 1972445937063 in words is "one trillion, nine hundred seventy-two billion, four hundred forty-five million, nine hundred thirty-seven thousand, sixty-three".