1528453897047 has 24 divisors (see below), whose sum is σ = 2752540352640. Its totient is φ = 794002024080.

The previous prime is 1528453897021. The next prime is 1528453897057. The reversal of 1528453897047 is 7407983548251.

1528453897047 is a `hidden beast` number, since 1 + 5 + 2 + 8 + 4 + 538 + 97 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 1528453897047 - 2²⁸ = 1528185461591 is a prime.

It is a super-2 number, since 2×1528453897047² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528453897057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102779897 + ... + 1102781282.

It is an arithmetic number, because the mean of its divisors is an integer number (114689181360).

Almost surely, 2^{1528453897047} is an apocalyptic number.

1528453897047 is a deficient number, since it is larger than the sum of its proper divisors (1224086455593).

1528453897047 is a wasteful number, since it uses less digits than its factorization.

1528453897047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205561203 (or 2205561200 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 1528453897047 in words is "one trillion, five hundred twenty-eight billion, four hundred fifty-three million, eight hundred ninety-seven thousand, forty-seven".