959621374447 has 2 divisors, whose sum is σ = 959621374448. Its totient is φ = 959621374446.

The previous prime is 959621374433. The next prime is 959621374469. The reversal of 959621374447 is 744473126959.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-959621374447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959621374487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479810687223 + 479810687224.

It is an arithmetic number, because the mean of its divisors is an integer number (479810687224).

Almost surely, 2^959621374447 is an apocalyptic number.

959621374447 is a deficient number, since it is larger than the sum of its proper divisors (1).

959621374447 is an equidigital number, since it uses as much as digits as its factorization.

959621374447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 61.

The spelling of 959621374447 in words is "nine hundred fifty-nine billion, six hundred twenty-one million, three hundred seventy-four thousand, four hundred forty-seven".