537068391667 has 4 divisors (see below), whose sum is σ = 537070145976. Its totient is φ = 537066637360.

The previous prime is 537068391653. The next prime is 537068391689. The reversal of 537068391667 is 766193860735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 537068391667 - 2¹¹ = 537068389619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537068391367) 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, 284434 + ... + 1074727.

It is an arithmetic number, because the mean of its divisors is an integer number (134267536494).

Almost surely, 2^537068391667 is an apocalyptic number.

537068391667 is a deficient number, since it is larger than the sum of its proper divisors (1754309).

537068391667 is a wasteful number, since it uses less digits than its factorization.

537068391667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754308.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 537068391667 in words is "five hundred thirty-seven billion, sixty-eight million, three hundred ninety-one thousand, six hundred sixty-seven".