1522456672047 has 4 divisors (see below), whose sum is σ = 2029942229400. Its totient is φ = 1014971114696.

The previous prime is 1522456672043. The next prime is 1522456672063. The reversal of 1522456672047 is 7402766542251.

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 1522456672047 - 2² = 1522456672043 is a prime.

It is a super-2 number, since 2×1522456672047² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522456672043) 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, 253742778672 + ... + 253742778677.

It is an arithmetic number, because the mean of its divisors is an integer number (507485557350).

Almost surely, 2^{1522456672047} is an apocalyptic number.

1522456672047 is a deficient number, since it is larger than the sum of its proper divisors (507485557353).

1522456672047 is an equidigital number, since it uses as much as digits as its factorization.

1522456672047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507485557352.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 1522456672047 in words is "one trillion, five hundred twenty-two billion, four hundred fifty-six million, six hundred seventy-two thousand, forty-seven".