671424531402 has 16 divisors (see below), whose sum is σ = 1344195964512. Its totient is φ = 223583693520.

The previous prime is 671424531353. The next prime is 671424531419. The reversal of 671424531402 is 204135424176.

It is an unprimeable number.

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, 56114424 + ... + 56126387.

It is an arithmetic number, because the mean of its divisors is an integer number (84012247782).

Almost surely, 2^671424531402 is an apocalyptic number.

671424531402 is an abundant number, since it is smaller than the sum of its proper divisors (672771433110).

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

671424531402 is a wasteful number, since it uses less digits than its factorization.

671424531402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112241813.

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 671424531402 its reverse (204135424176), we get a palindrome (875559955578).

The spelling of 671424531402 in words is "six hundred seventy-one billion, four hundred twenty-four million, five hundred thirty-one thousand, four hundred two".