1672654999 has 2 divisors, whose sum is σ = 1672655000. Its totient is φ = 1672654998.

The previous prime is 1672654993. The next prime is 1672655009. The reversal of 1672654999 is 9994562761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672654999 - 2¹¹ = 1672652951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672654993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836327499 + 836327500.

It is an arithmetic number, because the mean of its divisors is an integer number (836327500).

Almost surely, 2^1672654999 is an apocalyptic number.

1672654999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672654999 is an equidigital number, since it uses as much as digits as its factorization.

1672654999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 58.

The square root of 1672654999 is about 40898.1050783530. The cubic root of 1672654999 is about 1187.0493948203.

The spelling of 1672654999 in words is "one billion, six hundred seventy-two million, six hundred fifty-four thousand, nine hundred ninety-nine".