2391802047 has 8 divisors (see below), whose sum is σ = 3543410480. Its totient is φ = 1594534680.

The previous prime is 2391802001. The next prime is 2391802067. The reversal of 2391802047 is 7402081932.

It is not a de Polignac number, because 2391802047 - 2⁶ = 2391801983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391802067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44292604 + ... + 44292657.

It is an arithmetic number, because the mean of its divisors is an integer number (442926310).

Almost surely, 2^2391802047 is an apocalyptic number.

2391802047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2391802047 is a deficient number, since it is larger than the sum of its proper divisors (1151608433).

2391802047 is an equidigital number, since it uses as much as digits as its factorization.

2391802047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88585270 (or 88585264 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2391802047 is about 48906.0532756427. The cubic root of 2391802047 is about 1337.3397222795.

Adding to 2391802047 its reverse (7402081932), we get a palindrome (9793883979).

The spelling of 2391802047 in words is "two billion, three hundred ninety-one million, eight hundred two thousand, forty-seven".