2249154493 has 2 divisors, whose sum is σ = 2249154494. Its totient is φ = 2249154492.

The previous prime is 2249154491. The next prime is 2249154499. The reversal of 2249154493 is 3944519422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1745735524 + 503418969 = 41782^2 + 22437^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249154493 - 2¹ = 2249154491 is a prime.

It is a super-3 number, since 3×2249154493³ (a number of 29 digits) contains 333 as substring.

Together with 2249154491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249154491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124577246 + 1124577247.

It is an arithmetic number, because the mean of its divisors is an integer number (1124577247).

Almost surely, 2^2249154493 is an apocalyptic number.

It is an amenable number.

2249154493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249154493 is an equidigital number, since it uses as much as digits as its factorization.

2249154493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 2249154493 is about 47425.2516387631. The cubic root of 2249154493 is about 1310.2065391185.

The spelling of 2249154493 in words is "two billion, two hundred forty-nine million, one hundred fifty-four thousand, four hundred ninety-three".