2019867495294 has 32 divisors (see below), whose sum is σ = 4558948583040. Its totient is φ = 590974815200.

The previous prime is 2019867495281. The next prime is 2019867495299. The reversal of 2019867495294 is 4925947689102.

It is a super-2 number, since 2×2019867495294² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019867495299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527654172 + ... + 527657999.

It is an arithmetic number, because the mean of its divisors is an integer number (142467143220).

Almost surely, 2^{2019867495294} is an apocalyptic number.

2019867495294 is an abundant number, since it is smaller than the sum of its proper divisors (2539081087746).

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

2019867495294 is a wasteful number, since it uses less digits than its factorization.

2019867495294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055312216.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 2019867495294 in words is "two trillion, nineteen billion, eight hundred sixty-seven million, four hundred ninety-five thousand, two hundred ninety-four".