1614949321 has 2 divisors, whose sum is σ = 1614949322. Its totient is φ = 1614949320.

The previous prime is 1614949313. The next prime is 1614949351. The reversal of 1614949321 is 1239494161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185838096 + 429111225 = 34436^2 + 20715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1614949321 - 2³ = 1614949313 is a prime.

It is a super-2 number, since 2×1614949321² = 5216122618796722082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1614949351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807474660 + 807474661.

It is an arithmetic number, because the mean of its divisors is an integer number (807474661).

Almost surely, 2^1614949321 is an apocalyptic number.

It is an amenable number.

1614949321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1614949321 is an equidigital number, since it uses as much as digits as its factorization.

1614949321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 1614949321 is about 40186.4320511289. The cubic root of 1614949321 is about 1173.2384822297.

The spelling of 1614949321 in words is "one billion, six hundred fourteen million, nine hundred forty-nine thousand, three hundred twenty-one".