1912655382979 has 16 divisors (see below), whose sum is σ = 2091230161920. Its totient is φ = 1734864633760.

The previous prime is 1912655382977. The next prime is 1912655383049. The reversal of 1912655382979 is 9792835562191.

It is a cyclic number.

It is not a de Polignac number, because 1912655382979 - 2¹ = 1912655382977 is a prime.

It is a super-2 number, since 2×1912655382979² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912655382977) 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, 36577617 + ... + 36629869.

It is an arithmetic number, because the mean of its divisors is an integer number (130701885120).

Almost surely, 2^{1912655382979} is an apocalyptic number.

1912655382979 is a deficient number, since it is larger than the sum of its proper divisors (178574778941).

1912655382979 is a wasteful number, since it uses less digits than its factorization.

1912655382979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59690.

The product of its digits is 73483200, while the sum is 67.

The spelling of 1912655382979 in words is "one trillion, nine hundred twelve billion, six hundred fifty-five million, three hundred eighty-two thousand, nine hundred seventy-nine".