1673538407 has 2 divisors, whose sum is σ = 1673538408. Its totient is φ = 1673538406.

The previous prime is 1673538389. The next prime is 1673538413. The reversal of 1673538407 is 7048353761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1673538407 - 2¹⁴ = 1673522023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673588407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836769203 + 836769204.

It is an arithmetic number, because the mean of its divisors is an integer number (836769204).

Almost surely, 2^1673538407 is an apocalyptic number.

1673538407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673538407 is an equidigital number, since it uses as much as digits as its factorization.

1673538407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 1673538407 is about 40908.9037618952. The cubic root of 1673538407 is about 1187.2583369657.

The spelling of 1673538407 in words is "one billion, six hundred seventy-three million, five hundred thirty-eight thousand, four hundred seven".