1673653039 has 2 divisors, whose sum is σ = 1673653040. Its totient is φ = 1673653038.

The previous prime is 1673653021. The next prime is 1673653049. The reversal of 1673653039 is 9303563761.

It is a strong prime.

It is an emirp because it is prime and its reverse (9303563761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1673653039 - 2¹⁵ = 1673620271 is a prime.

It is a super-2 number, since 2×1673653039² = 5602228989907871042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1673652986 and 1673653004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673653049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836826519 + 836826520.

It is an arithmetic number, because the mean of its divisors is an integer number (836826520).

Almost surely, 2^1673653039 is an apocalyptic number.

1673653039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673653039 is an equidigital number, since it uses as much as digits as its factorization.

1673653039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 1673653039 is about 40910.3048020911. The cubic root of 1673653039 is about 1187.2854441397.

The spelling of 1673653039 in words is "one billion, six hundred seventy-three million, six hundred fifty-three thousand, thirty-nine".