74573441251 has 2 divisors, whose sum is σ = 74573441252. Its totient is φ = 74573441250.

The previous prime is 74573441227. The next prime is 74573441287. The reversal of 74573441251 is 15214437547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74573441251 - 2¹³ = 74573433059 is a prime.

It is a super-2 number, since 2×74573441251² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74573441198 and 74573441207.

It is not a weakly prime, because it can be changed into another prime (74573441851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37286720625 + 37286720626.

It is an arithmetic number, because the mean of its divisors is an integer number (37286720626).

Almost surely, 2^74573441251 is an apocalyptic number.

74573441251 is a deficient number, since it is larger than the sum of its proper divisors (1).

74573441251 is an equidigital number, since it uses as much as digits as its factorization.

74573441251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 43.

Adding to 74573441251 its reverse (15214437547), we get a palindrome (89787878798).

The spelling of 74573441251 in words is "seventy-four billion, five hundred seventy-three million, four hundred forty-one thousand, two hundred fifty-one".