714278686409 has 4 divisors (see below), whose sum is σ = 714620939904. Its totient is φ = 713936432916.

The previous prime is 714278686369. The next prime is 714278686411. The reversal of 714278686409 is 904686872417.

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: 904686872417 = 6521 ⋅138734377.

It is a cyclic number.

It is not a de Polignac number, because 714278686409 - 2⁸ = 714278686153 is a prime.

It is a super-2 number, since 2×714278686409² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (719278686409) 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, 171123617 + ... + 171127790.

It is an arithmetic number, because the mean of its divisors is an integer number (178655234976).

Almost surely, 2^714278686409 is an apocalyptic number.

It is an amenable number.

714278686409 is a deficient number, since it is larger than the sum of its proper divisors (342253495).

714278686409 is a wasteful number, since it uses less digits than its factorization.

714278686409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342253494.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 714278686409 in words is "seven hundred fourteen billion, two hundred seventy-eight million, six hundred eighty-six thousand, four hundred nine".