83053458367421 has 2 divisors, whose sum is σ = 83053458367422. Its totient is φ = 83053458367420.

The previous prime is 83053458367337. The next prime is 83053458367447. The reversal of 83053458367421 is 12476385435038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52171931244196 + 30881527123225 = 7223014^2 + 5557115^2 .

It is a cyclic number.

It is not a de Polignac number, because 83053458367421 - 2⁴² = 78655411856317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83053458366421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41526729183710 + 41526729183711.

It is an arithmetic number, because the mean of its divisors is an integer number (41526729183711).

Almost surely, 2^{83053458367421} is an apocalyptic number.

It is an amenable number.

83053458367421 is a deficient number, since it is larger than the sum of its proper divisors (1).

83053458367421 is an equidigital number, since it uses as much as digits as its factorization.

83053458367421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58060800, while the sum is 59.

The spelling of 83053458367421 in words is "eighty-three trillion, fifty-three billion, four hundred fifty-eight million, three hundred sixty-seven thousand, four hundred twenty-one".