1214856413 has 2 divisors, whose sum is σ = 1214856414. Its totient is φ = 1214856412.

The previous prime is 1214856373. The next prime is 1214856439. The reversal of 1214856413 is 3146584121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763803769 + 451052644 = 27637^2 + 21238^2 .

It is an emirp because it is prime and its reverse (3146584121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214856413 - 2¹⁶ = 1214790877 is a prime.

It is a super-2 number, since 2×1214856413² = 2951752208414453138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214856443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607428206 + 607428207.

It is an arithmetic number, because the mean of its divisors is an integer number (607428207).

Almost surely, 2^1214856413 is an apocalyptic number.

It is an amenable number.

1214856413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214856413 is an equidigital number, since it uses as much as digits as its factorization.

1214856413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 1214856413 is about 34854.7903881231. The cubic root of 1214856413 is about 1067.0259548236.

The spelling of 1214856413 in words is "one billion, two hundred fourteen million, eight hundred fifty-six thousand, four hundred thirteen".