1673637401434 has 16 divisors (see below), whose sum is σ = 2626953561288. Its totient is φ = 798839675712.

The previous prime is 1673637401431. The next prime is 1673637401479. The reversal of 1673637401434 is 4341047363761.

It can be written as a sum of positive squares in 4 ways, for example, as 1577292345409 + 96345056025 = 1255903^2 + 310395^2 .

It is not an unprimeable number, because it can be changed into a prime (1673637401431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213361377 + ... + 213369220.

Almost surely, 2^{1673637401434} is an apocalyptic number.

1673637401434 is a deficient number, since it is larger than the sum of its proper divisors (953316159854).

1673637401434 is a wasteful number, since it uses less digits than its factorization.

1673637401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426730689.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 1673637401434 in words is "one trillion, six hundred seventy-three billion, six hundred thirty-seven million, four hundred one thousand, four hundred thirty-four".