2514638447 has 2 divisors, whose sum is σ = 2514638448. Its totient is φ = 2514638446.

The previous prime is 2514638443. The next prime is 2514638471. The reversal of 2514638447 is 7448364152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2514638447 - 2² = 2514638443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2514638398 and 2514638407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2514638443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257319223 + 1257319224.

It is an arithmetic number, because the mean of its divisors is an integer number (1257319224).

Almost surely, 2^2514638447 is an apocalyptic number.

2514638447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2514638447 is an equidigital number, since it uses as much as digits as its factorization.

2514638447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The square root of 2514638447 is about 50146.1708109403. The cubic root of 2514638447 is about 1359.8526453310.

The spelling of 2514638447 in words is "two billion, five hundred fourteen million, six hundred thirty-eight thousand, four hundred forty-seven".