1672458049 has 2 divisors, whose sum is σ = 1672458050. Its totient is φ = 1672458048.

The previous prime is 1672458023. The next prime is 1672458061. The reversal of 1672458049 is 9408542761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021953024 + 650505025 = 31968^2 + 25505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672458049 - 2⁵ = 1672458017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672453049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836229024 + 836229025.

It is an arithmetic number, because the mean of its divisors is an integer number (836229025).

Almost surely, 2^1672458049 is an apocalyptic number.

It is an amenable number.

1672458049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672458049 is an equidigital number, since it uses as much as digits as its factorization.

1672458049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1672458049 is about 40895.6971942037. The cubic root of 1672458049 is about 1187.0028025154.

The spelling of 1672458049 in words is "one billion, six hundred seventy-two million, four hundred fifty-eight thousand, forty-nine".