74463151121 has 2 divisors, whose sum is σ = 74463151122. Its totient is φ = 74463151120.

The previous prime is 74463151093. The next prime is 74463151141. The reversal of 74463151121 is 12115136447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74439482896 + 23668225 = 272836^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 74463151121 - 2⁶ = 74463151057 is a prime.

It is not a weakly prime, because it can be changed into another prime (74463151141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37231575560 + 37231575561.

It is an arithmetic number, because the mean of its divisors is an integer number (37231575561).

Almost surely, 2^74463151121 is an apocalyptic number.

It is an amenable number.

74463151121 is a deficient number, since it is larger than the sum of its proper divisors (1).

74463151121 is an equidigital number, since it uses as much as digits as its factorization.

74463151121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

Adding to 74463151121 its reverse (12115136447), we get a palindrome (86578287568).

The spelling of 74463151121 in words is "seventy-four billion, four hundred sixty-three million, one hundred fifty-one thousand, one hundred twenty-one".