74350132391 has 2 divisors, whose sum is σ = 74350132392. Its totient is φ = 74350132390.

The previous prime is 74350132387. The next prime is 74350132429. The reversal of 74350132391 is 19323105347.

It is an a-pointer prime, because the next prime (74350132429) can be obtained adding 74350132391 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74350132391 - 2² = 74350132387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74350132091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37175066195 + 37175066196.

It is an arithmetic number, because the mean of its divisors is an integer number (37175066196).

Almost surely, 2^74350132391 is an apocalyptic number.

74350132391 is a deficient number, since it is larger than the sum of its proper divisors (1).

74350132391 is an equidigital number, since it uses as much as digits as its factorization.

74350132391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 74350132391 in words is "seventy-four billion, three hundred fifty million, one hundred thirty-two thousand, three hundred ninety-one".