74642219053 has 2 divisors, whose sum is σ = 74642219054. Its totient is φ = 74642219052.

The previous prime is 74642218999. The next prime is 74642219059. The reversal of 74642219053 is 35091224647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64184702409 + 10457516644 = 253347^2 + 102262^2 .

It is a cyclic number.

It is not a de Polignac number, because 74642219053 - 2¹⁷ = 74642087981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74642219059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37321109526 + 37321109527.

It is an arithmetic number, because the mean of its divisors is an integer number (37321109527).

Almost surely, 2^74642219053 is an apocalyptic number.

It is an amenable number.

74642219053 is a deficient number, since it is larger than the sum of its proper divisors (1).

74642219053 is an equidigital number, since it uses as much as digits as its factorization.

74642219053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 74642219053 in words is "seventy-four billion, six hundred forty-two million, two hundred nineteen thousand, fifty-three".