953147211421 has 2 divisors, whose sum is σ = 953147211422. Its totient is φ = 953147211420.

The previous prime is 953147211389. The next prime is 953147211427. The reversal of 953147211421 is 124112741359.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793015184196 + 160132027225 = 890514^2 + 400165^2 .

It is an emirp because it is prime and its reverse (124112741359) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 953147211421 - 2⁵ = 953147211389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (953147211427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476573605710 + 476573605711.

It is an arithmetic number, because the mean of its divisors is an integer number (476573605711).

Almost surely, 2^953147211421 is an apocalyptic number.

It is an amenable number.

953147211421 is a deficient number, since it is larger than the sum of its proper divisors (1).

953147211421 is an equidigital number, since it uses as much as digits as its factorization.

953147211421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The spelling of 953147211421 in words is "nine hundred fifty-three billion, one hundred forty-seven million, two hundred eleven thousand, four hundred twenty-one".