2070001391 has 2 divisors, whose sum is σ = 2070001392. Its totient is φ = 2070001390.

The previous prime is 2070001369. The next prime is 2070001429. The reversal of 2070001391 is 1931000702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2070001391 - 2⁶ = 2070001327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070001301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035000695 + 1035000696.

It is an arithmetic number, because the mean of its divisors is an integer number (1035000696).

Almost surely, 2^2070001391 is an apocalyptic number.

2070001391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070001391 is an equidigital number, since it uses as much as digits as its factorization.

2070001391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2070001391 is about 45497.2679509440. The cubic root of 2070001391 is about 1274.4521836774.

The spelling of 2070001391 in words is "two billion, seventy million, one thousand, three hundred ninety-one".