2493151547 has 4 divisors (see below), whose sum is σ = 2579122320. Its totient is φ = 2407180776.

The previous prime is 2493151543. The next prime is 2493151561. The reversal of 2493151547 is 7451513942.

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 2493151547 - 2² = 2493151543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493151543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42985343 + ... + 42985400.

It is an arithmetic number, because the mean of its divisors is an integer number (644780580).

Almost surely, 2^2493151547 is an apocalyptic number.

2493151547 is a deficient number, since it is larger than the sum of its proper divisors (85970773).

2493151547 is an equidigital number, since it uses as much as digits as its factorization.

2493151547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85970772.

The product of its digits is 151200, while the sum is 41.

The square root of 2493151547 is about 49931.4685043410. The cubic root of 2493151547 is about 1355.9683708320.

The spelling of 2493151547 in words is "two billion, four hundred ninety-three million, one hundred fifty-one thousand, five hundred forty-seven".