2009370701389 has 2 divisors, whose sum is σ = 2009370701390. Its totient is φ = 2009370701388.

The previous prime is 2009370701369. The next prime is 2009370701399. The reversal of 2009370701389 is 9831070739002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029498388164 + 979872313225 = 1014642^2 + 989885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009370701389 - 2³⁹ = 1459614887501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009370701369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004685350694 + 1004685350695.

It is an arithmetic number, because the mean of its divisors is an integer number (1004685350695).

Almost surely, 2^{2009370701389} is an apocalyptic number.

It is an amenable number.

2009370701389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009370701389 is an equidigital number, since it uses as much as digits as its factorization.

2009370701389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 2009370701389 in words is "two trillion, nine billion, three hundred seventy million, seven hundred one thousand, three hundred eighty-nine".