1499734919 has 2 divisors, whose sum is σ = 1499734920. Its totient is φ = 1499734918.

The previous prime is 1499734897. The next prime is 1499734937. The reversal of 1499734919 is 9194379941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1499734919 - 2¹⁶ = 1499669383 is a prime.

It is a super-2 number, since 2×1499734919² = 4498409654535873122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1499734939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749867459 + 749867460.

It is an arithmetic number, because the mean of its divisors is an integer number (749867460).

Almost surely, 2^1499734919 is an apocalyptic number.

1499734919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499734919 is an equidigital number, since it uses as much as digits as its factorization.

1499734919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 56.

The square root of 1499734919 is about 38726.4111298736. The cubic root of 1499734919 is about 1144.6468070261.

The spelling of 1499734919 in words is "one billion, four hundred ninety-nine million, seven hundred thirty-four thousand, nine hundred nineteen".