7814195213 has 4 divisors (see below), whose sum is σ = 8524576608. Its totient is φ = 7103813820.

The previous prime is 7814195201. The next prime is 7814195239. The reversal of 7814195213 is 3125914187.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3125914187 = 11 ⋅284174017.

It is a cyclic number.

It is not a de Polignac number, because 7814195213 - 2⁶ = 7814195149 is a prime.

It is a super-2 number, since 2×7814195213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7814195243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355190681 + ... + 355190702.

It is an arithmetic number, because the mean of its divisors is an integer number (2131144152).

Almost surely, 2^7814195213 is an apocalyptic number.

It is an amenable number.

7814195213 is a deficient number, since it is larger than the sum of its proper divisors (710381395).

7814195213 is a wasteful number, since it uses less digits than its factorization.

7814195213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710381394.

The product of its digits is 60480, while the sum is 41.

The square root of 7814195213 is about 88397.9367010339. The cubic root of 7814195213 is about 1984.3948236689.

The spelling of 7814195213 in words is "seven billion, eight hundred fourteen million, one hundred ninety-five thousand, two hundred thirteen".