1972094017 has 2 divisors, whose sum is σ = 1972094018. Its totient is φ = 1972094016.

The previous prime is 1972093997. The next prime is 1972094023. The reversal of 1972094017 is 7104902791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095874816 + 876219201 = 33104^2 + 29601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1972094017 - 2¹¹ = 1972091969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1972094077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986047008 + 986047009.

It is an arithmetic number, because the mean of its divisors is an integer number (986047009).

Almost surely, 2^1972094017 is an apocalyptic number.

It is an amenable number.

1972094017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972094017 is an equidigital number, since it uses as much as digits as its factorization.

1972094017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1972094017 is about 44408.2651879129. The cubic root of 1972094017 is about 1254.0336930815.

The spelling of 1972094017 in words is "one billion, nine hundred seventy-two million, ninety-four thousand, seventeen".