2528727621463 has 4 divisors (see below), whose sum is σ = 2528804007360. Its totient is φ = 2528651235568.

The previous prime is 2528727621437. The next prime is 2528727621499. The reversal of 2528727621463 is 3641267278252.

It is a happy number.

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 2528727621463 - 2¹³ = 2528727613271 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 (2528727681463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38143270 + ... + 38209507.

It is an arithmetic number, because the mean of its divisors is an integer number (632201001840).

Almost surely, 2^{2528727621463} is an apocalyptic number.

2528727621463 is a deficient number, since it is larger than the sum of its proper divisors (76385897).

2528727621463 is an equidigital number, since it uses as much as digits as its factorization.

2528727621463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76385896.

The product of its digits is 13547520, while the sum is 55.

The spelling of 2528727621463 in words is "two trillion, five hundred twenty-eight billion, seven hundred twenty-seven million, six hundred twenty-one thousand, four hundred sixty-three".