2251836047 has 2 divisors, whose sum is σ = 2251836048. Its totient is φ = 2251836046.

The previous prime is 2251836029. The next prime is 2251836049. The reversal of 2251836047 is 7406381522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251836047 - 2¹⁸ = 2251573903 is a prime.

Together with 2251836049, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2251836047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251836049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125918023 + 1125918024.

It is an arithmetic number, because the mean of its divisors is an integer number (1125918024).

Almost surely, 2^2251836047 is an apocalyptic number.

2251836047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251836047 is an equidigital number, since it uses as much as digits as its factorization.

2251836047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2251836047 is about 47453.5145905970. The cubic root of 2251836047 is about 1310.7270301506.

The spelling of 2251836047 in words is "two billion, two hundred fifty-one million, eight hundred thirty-six thousand, forty-seven".