2473656391 has 2 divisors, whose sum is σ = 2473656392. Its totient is φ = 2473656390.

The previous prime is 2473656373. The next prime is 2473656431. The reversal of 2473656391 is 1936563742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2473656391 - 2¹⁷ = 2473525319 is a prime.

It is a super-2 number, since 2×2473656391² = 12237951881470289762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2473656331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236828195 + 1236828196.

It is an arithmetic number, because the mean of its divisors is an integer number (1236828196).

Almost surely, 2^2473656391 is an apocalyptic number.

2473656391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2473656391 is an equidigital number, since it uses as much as digits as its factorization.

2473656391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 2473656391 is about 49735.8662435872. The cubic root of 2473656391 is about 1352.4247945582.

The spelling of 2473656391 in words is "two billion, four hundred seventy-three million, six hundred fifty-six thousand, three hundred ninety-one".