1972244605094 has 4 divisors (see below), whose sum is σ = 2958366907644. Its totient is φ = 986122302546.

The previous prime is 1972244605091. The next prime is 1972244605159. The reversal of 1972244605094 is 4905064422791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972244605091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493061151272 + ... + 493061151275.

It is an arithmetic number, because the mean of its divisors is an integer number (739591726911).

Almost surely, 2^{1972244605094} is an apocalyptic number.

1972244605094 is a deficient number, since it is larger than the sum of its proper divisors (986122302550).

1972244605094 is an equidigital number, since it uses as much as digits as its factorization.

1972244605094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986122302549.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 1972244605094 in words is "one trillion, nine hundred seventy-two billion, two hundred forty-four million, six hundred five thousand, ninety-four".