734991685937987 has 2 divisors, whose sum is σ = 734991685937988. Its totient is φ = 734991685937986.

The previous prime is 734991685937921. The next prime is 734991685938061. The reversal of 734991685937987 is 789739586199437.

734991685937987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 734991685937987 - 2⁸ = 734991685937731 is a prime.

It is a super-2 number, since 2×734991685937987² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 734991685937987.

It is not a weakly prime, because it can be changed into another prime (734991685927987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367495842968993 + 367495842968994.

It is an arithmetic number, because the mean of its divisors is an integer number (367495842968994).

Almost surely, 2^{734991685937987} is an apocalyptic number.

734991685937987 is a deficient number, since it is larger than the sum of its proper divisors (1).

734991685937987 is an equidigital number, since it uses as much as digits as its factorization.

734991685937987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155549237760, while the sum is 95.

The spelling of 734991685937987 in words is "seven hundred thirty-four trillion, nine hundred ninety-one billion, six hundred eighty-five million, nine hundred thirty-seven thousand, nine hundred eighty-seven".