147258492491 has 4 divisors (see below), whose sum is σ = 160645628184. Its totient is φ = 133871356800.

The previous prime is 147258492439. The next prime is 147258492499. The reversal of 147258492491 is 194294852741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147258492491 - 2¹⁸ = 147258230347 is a prime.

It is a super-2 number, since 2×147258492491² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147258492499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6693567830 + ... + 6693567851.

It is an arithmetic number, because the mean of its divisors is an integer number (40161407046).

Almost surely, 2^147258492491 is an apocalyptic number.

147258492491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

147258492491 is a deficient number, since it is larger than the sum of its proper divisors (13387135693).

147258492491 is a wasteful number, since it uses less digits than its factorization.

147258492491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387135692.

The product of its digits is 5806080, while the sum is 56.

The spelling of 147258492491 in words is "one hundred forty-seven billion, two hundred fifty-eight million, four hundred ninety-two thousand, four hundred ninety-one".