1612989467 has 2 divisors, whose sum is σ = 1612989468. Its totient is φ = 1612989466.

The previous prime is 1612989457. The next prime is 1612989481. The reversal of 1612989467 is 7649892161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1612989467 - 2¹⁴ = 1612973083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1612989457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806494733 + 806494734.

It is an arithmetic number, because the mean of its divisors is an integer number (806494734).

Almost surely, 2^1612989467 is an apocalyptic number.

1612989467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612989467 is an equidigital number, since it uses as much as digits as its factorization.

1612989467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 1612989467 is about 40162.0401249737. The cubic root of 1612989467 is about 1172.7636877824.

The spelling of 1612989467 in words is "one billion, six hundred twelve million, nine hundred eighty-nine thousand, four hundred sixty-seven".