1972050950644 has 12 divisors (see below), whose sum is σ = 3464211177504. Its totient is φ = 982276328504.

The previous prime is 1972050950599. The next prime is 1972050950657. The reversal of 1972050950644 is 4460590502791.

It is a junction number, because it is equal to n+sod(n) for n = 1972050950591 and 1972050950600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937285522 + ... + 937287625.

It is an arithmetic number, because the mean of its divisors is an integer number (288684264792).

Almost surely, 2^{1972050950644} is an apocalyptic number.

It is an amenable number.

1972050950644 is a deficient number, since it is larger than the sum of its proper divisors (1492160226860).

1972050950644 is a wasteful number, since it uses less digits than its factorization.

1972050950644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874573414 (or 1874573412 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 1972050950644 in words is "one trillion, nine hundred seventy-two billion, fifty million, nine hundred fifty thousand, six hundred forty-four".