1674961631479 has 16 divisors (see below), whose sum is σ = 1815288662880. Its totient is φ = 1540244643840.

The previous prime is 1674961631437. The next prime is 1674961631489. The reversal of 1674961631479 is 9741361694761.

It is a cyclic number.

It is not a de Polignac number, because 1674961631479 - 2¹⁹ = 1674961107191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1674961631479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674961631489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5303754 + ... + 5610679.

It is an arithmetic number, because the mean of its divisors is an integer number (113455541430).

Almost surely, 2^{1674961631479} is an apocalyptic number.

1674961631479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1674961631479 is a deficient number, since it is larger than the sum of its proper divisors (140327031401).

1674961631479 is a wasteful number, since it uses less digits than its factorization.

1674961631479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914690.

The product of its digits is 41150592, while the sum is 64.

The spelling of 1674961631479 in words is "one trillion, six hundred seventy-four billion, nine hundred sixty-one million, six hundred thirty-one thousand, four hundred seventy-nine".