1864051073 has 2 divisors, whose sum is σ = 1864051074. Its totient is φ = 1864051072.

The previous prime is 1864051061. The next prime is 1864051087. The reversal of 1864051073 is 3701504681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1727815489 + 136235584 = 41567^2 + 11672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1864051073 - 2¹⁰ = 1864050049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1864051573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932025536 + 932025537.

It is an arithmetic number, because the mean of its divisors is an integer number (932025537).

Almost surely, 2^1864051073 is an apocalyptic number.

It is an amenable number.

1864051073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1864051073 is an equidigital number, since it uses as much as digits as its factorization.

1864051073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1864051073 is about 43174.6577635538. The cubic root of 1864051073 is about 1230.7011387991.

The spelling of 1864051073 in words is "one billion, eight hundred sixty-four million, fifty-one thousand, seventy-three".