147854426491 has 2 divisors, whose sum is σ = 147854426492. Its totient is φ = 147854426490.

The previous prime is 147854426459. The next prime is 147854426563. The reversal of 147854426491 is 194624458741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147854426491 - 2⁵ = 147854426459 is a prime.

It is not a weakly prime, because it can be changed into another prime (147854429491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73927213245 + 73927213246.

It is an arithmetic number, because the mean of its divisors is an integer number (73927213246).

Almost surely, 2^147854426491 is an apocalyptic number.

147854426491 is a deficient number, since it is larger than the sum of its proper divisors (1).

147854426491 is an equidigital number, since it uses as much as digits as its factorization.

147854426491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The spelling of 147854426491 in words is "one hundred forty-seven billion, eight hundred fifty-four million, four hundred twenty-six thousand, four hundred ninety-one".