1973314069 has 2 divisors, whose sum is σ = 1973314070. Its totient is φ = 1973314068.

The previous prime is 1973314039. The next prime is 1973314093. The reversal of 1973314069 is 9604133791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1963641969 + 9672100 = 44313^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1973314069 - 2⁵ = 1973314037 is a prime.

It is a super-2 number, since 2×1973314069² = 7787936829826673522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973314039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986657034 + 986657035.

It is an arithmetic number, because the mean of its divisors is an integer number (986657035).

Almost surely, 2^1973314069 is an apocalyptic number.

It is an amenable number.

1973314069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973314069 is an equidigital number, since it uses as much as digits as its factorization.

1973314069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1973314069 is about 44421.9998311647. Note that the first 3 decimals coincide. The cubic root of 1973314069 is about 1254.2922458174.

The spelling of 1973314069 in words is "one billion, nine hundred seventy-three million, three hundred fourteen thousand, sixty-nine".