1673649473552 has 20 divisors (see below), whose sum is σ = 3705938120256. Its totient is φ = 717278345760.

The previous prime is 1673649473533. The next prime is 1673649473557. The reversal of 1673649473552 is 2553749463761.

It is a happy number.

It is a super-2 number, since 2×1673649473552² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1673649473557) 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, 7471649324 + ... + 7471649547.

Almost surely, 2^{1673649473552} is an apocalyptic number.

It is an amenable number.

1673649473552 is an abundant number, since it is smaller than the sum of its proper divisors (2032288646704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673649473552 is a wasteful number, since it uses less digits than its factorization.

1673649473552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14943298886 (or 14943298880 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 62.

The spelling of 1673649473552 in words is "one trillion, six hundred seventy-three billion, six hundred forty-nine million, four hundred seventy-three thousand, five hundred fifty-two".