1634996039 has 2 divisors, whose sum is σ = 1634996040. Its totient is φ = 1634996038.

The previous prime is 1634995981. The next prime is 1634996081. The reversal of 1634996039 is 9306994361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1634996039 - 2¹⁶ = 1634930503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1634996339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817498019 + 817498020.

It is an arithmetic number, because the mean of its divisors is an integer number (817498020).

Almost surely, 2^1634996039 is an apocalyptic number.

1634996039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634996039 is an equidigital number, since it uses as much as digits as its factorization.

1634996039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 1634996039 is about 40435.0842585990. The cubic root of 1634996039 is about 1178.0730877543.

The spelling of 1634996039 in words is "one billion, six hundred thirty-four million, nine hundred ninety-six thousand, thirty-nine".