3154193135249 has 4 divisors (see below), whose sum is σ = 3396823376436. Its totient is φ = 2911562894064.

The previous prime is 3154193135221. The next prime is 3154193135281. The reversal of 3154193135249 is 9425313914513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 554923684624 + 2599269450625 = 744932^2 + 1612225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3154193135249 - 2²⁰ = 3154192086673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3154193135197 and 3154193135206.

It is not an unprimeable number, because it can be changed into a prime (3154193135299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121315120574 + ... + 121315120599.

It is an arithmetic number, because the mean of its divisors is an integer number (849205844109).

Almost surely, 2^{3154193135249} is an apocalyptic number.

It is an amenable number.

3154193135249 is a deficient number, since it is larger than the sum of its proper divisors (242630241187).

3154193135249 is a wasteful number, since it uses less digits than its factorization.

3154193135249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242630241186.

The product of its digits is 1749600, while the sum is 50.

The spelling of 3154193135249 in words is "three trillion, one hundred fifty-four billion, one hundred ninety-three million, one hundred thirty-five thousand, two hundred forty-nine".