1614520979 has 2 divisors, whose sum is σ = 1614520980. Its totient is φ = 1614520978.

The previous prime is 1614520933. The next prime is 1614520981. The reversal of 1614520979 is 9790254161.

It is a strong prime.

It is an emirp because it is prime and its reverse (9790254161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1614520979 is a prime.

It is a super-2 number, since 2×1614520979² = 5213355983262236882, which contains 22 as substring.

Together with 1614520981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1614520679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807260489 + 807260490.

It is an arithmetic number, because the mean of its divisors is an integer number (807260490).

Almost surely, 2^1614520979 is an apocalyptic number.

1614520979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1614520979 is an equidigital number, since it uses as much as digits as its factorization.

1614520979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1614520979 is about 40181.1022621331. The cubic root of 1614520979 is about 1173.1347448659.

The spelling of 1614520979 in words is "one billion, six hundred fourteen million, five hundred twenty thousand, nine hundred seventy-nine".