734991685938047 has 4 divisors (see below), whose sum is σ = 742127527549200. Its totient is φ = 727855844326896.

The previous prime is 734991685937987. The next prime is 734991685938061. The reversal of 734991685938047 is 740839586199437.

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 734991685938047 - 2²⁴ = 734991669160831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734991685931047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3567920805422 + ... + 3567920805627.

It is an arithmetic number, because the mean of its divisors is an integer number (185531881887300).

Almost surely, 2^{734991685938047} is an apocalyptic number.

734991685938047 is a deficient number, since it is larger than the sum of its proper divisors (7135841611153).

734991685938047 is a wasteful number, since it uses less digits than its factorization.

734991685938047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135841611152.

The product of its (nonzero) digits is 9876142080, while the sum is 83.

The spelling of 734991685938047 in words is "seven hundred thirty-four trillion, nine hundred ninety-one billion, six hundred eighty-five million, nine hundred thirty-eight thousand, forty-seven".