1614697949 has 2 divisors, whose sum is σ = 1614697950. Its totient is φ = 1614697948.

The previous prime is 1614697879. The next prime is 1614697963. The reversal of 1614697949 is 9497964161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976125049 + 638572900 = 31243^2 + 25270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1614697949 - 2²⁴ = 1597920733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1614697894 and 1614697903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1614607949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807348974 + 807348975.

It is an arithmetic number, because the mean of its divisors is an integer number (807348975).

Almost surely, 2^1614697949 is an apocalyptic number.

It is an amenable number.

1614697949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1614697949 is an equidigital number, since it uses as much as digits as its factorization.

1614697949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 1614697949 is about 40183.3043564115. The cubic root of 1614697949 is about 1173.1776063036.

The spelling of 1614697949 in words is "one billion, six hundred fourteen million, six hundred ninety-seven thousand, nine hundred forty-nine".