705951220451 has 16 divisors (see below), whose sum is σ = 722103289344. Its totient is φ = 689847279264.

The previous prime is 705951220441. The next prime is 705951220487. The reversal of 705951220451 is 154022159507.

It is a cyclic number.

It is not a de Polignac number, because 705951220451 - 2²⁶ = 705884111587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 705951220399 and 705951220408.

It is not an unprimeable number, because it can be changed into a prime (705951220411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91405076 + ... + 91412798.

It is an arithmetic number, because the mean of its divisors is an integer number (45131455584).

Almost surely, 2^705951220451 is an apocalyptic number.

705951220451 is a deficient number, since it is larger than the sum of its proper divisors (16152068893).

705951220451 is a wasteful number, since it uses less digits than its factorization.

705951220451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10570.

The product of its (nonzero) digits is 126000, while the sum is 41.

Adding to 705951220451 its reverse (154022159507), we get a palindrome (859973379958).

The spelling of 705951220451 in words is "seven hundred five billion, nine hundred fifty-one million, two hundred twenty thousand, four hundred fifty-one".