1929281631316 has 48 divisors (see below), whose sum is σ = 3773584362240. Its totient is φ = 856932289920.

The previous prime is 1929281631301. The next prime is 1929281631331. The reversal of 1929281631316 is 6131361829291.

It is an interprime number because it is at equal distance from previous prime (1929281631301) and next prime (1929281631331).

It is a super-2 number, since 2×1929281631316² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1620700 + ... + 2546611.

It is an arithmetic number, because the mean of its divisors is an integer number (78616340880).

Almost surely, 2^{1929281631316} is an apocalyptic number.

It is an amenable number.

1929281631316 is a deficient number, since it is larger than the sum of its proper divisors (1844302730924).

1929281631316 is a wasteful number, since it uses less digits than its factorization.

1929281631316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167664 (or 4167662 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The spelling of 1929281631316 in words is "one trillion, nine hundred twenty-nine billion, two hundred eighty-one million, six hundred thirty-one thousand, three hundred sixteen".