74834872451 has 2 divisors, whose sum is σ = 74834872452. Its totient is φ = 74834872450.

The previous prime is 74834872397. The next prime is 74834872487. The reversal of 74834872451 is 15427843847.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74834872451 - 2³⁴ = 57655003267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74834872393 and 74834872402.

It is not a weakly prime, because it can be changed into another prime (74834872951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37417436225 + 37417436226.

It is an arithmetic number, because the mean of its divisors is an integer number (37417436226).

Almost surely, 2^74834872451 is an apocalyptic number.

74834872451 is a deficient number, since it is larger than the sum of its proper divisors (1).

74834872451 is an equidigital number, since it uses as much as digits as its factorization.

74834872451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6021120, while the sum is 53.

The spelling of 74834872451 in words is "seventy-four billion, eight hundred thirty-four million, eight hundred seventy-two thousand, four hundred fifty-one".