705146040451 has 4 divisors (see below), whose sum is σ = 705394072152. Its totient is φ = 704898008752.

The previous prime is 705146040427. The next prime is 705146040457. The reversal of 705146040451 is 154040641507.

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 705146040451 - 2⁷ = 705146040323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705146040451.

It is not an unprimeable number, because it can be changed into a prime (705146040457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124011586 + ... + 124017271.

It is an arithmetic number, because the mean of its divisors is an integer number (176348518038).

Almost surely, 2^705146040451 is an apocalyptic number.

705146040451 is a deficient number, since it is larger than the sum of its proper divisors (248031701).

705146040451 is a wasteful number, since it uses less digits than its factorization.

705146040451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248031700.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 705146040451 its reverse (154040641507), we get a palindrome (859186681958).

The spelling of 705146040451 in words is "seven hundred five billion, one hundred forty-six million, forty thousand, four hundred fifty-one".