1672239011 has 2 divisors, whose sum is σ = 1672239012. Its totient is φ = 1672239010.

The previous prime is 1672239007. The next prime is 1672239047. The reversal of 1672239011 is 1109322761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672239011 - 2² = 1672239007 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672239061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836119505 + 836119506.

It is an arithmetic number, because the mean of its divisors is an integer number (836119506).

Almost surely, 2^1672239011 is an apocalyptic number.

1672239011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672239011 is an equidigital number, since it uses as much as digits as its factorization.

1672239011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1672239011 is about 40893.0190986188. The cubic root of 1672239011 is about 1186.9509805736.

The spelling of 1672239011 in words is "one billion, six hundred seventy-two million, two hundred thirty-nine thousand, eleven".