1914769571605 has 16 divisors (see below), whose sum is σ = 2517847847424. Its totient is φ = 1386315017280.

The previous prime is 1914769571569. The next prime is 1914769571609. The reversal of 1914769571605 is 5061759674191.

It is a de Polignac number, because none of the positive numbers 2^k-1914769571605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914769571609) 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, 78046014 + ... + 78070543.

It is an arithmetic number, because the mean of its divisors is an integer number (157365490464).

Almost surely, 2^{1914769571605} is an apocalyptic number.

It is an amenable number.

1914769571605 is a deficient number, since it is larger than the sum of its proper divisors (603078275819).

1914769571605 is a wasteful number, since it uses less digits than its factorization.

1914769571605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156116796.

The product of its (nonzero) digits is 14288400, while the sum is 61.

The spelling of 1914769571605 in words is "one trillion, nine hundred fourteen billion, seven hundred sixty-nine million, five hundred seventy-one thousand, six hundred five".