2791004294428 has 12 divisors (see below), whose sum is σ = 5582008588912. Its totient is φ = 1196144697600.

The previous prime is 2791004294413. The next prime is 2791004294443. The reversal of 2791004294428 is 8244924001972.

It is an interprime number because it is at equal distance from previous prime (2791004294413) and next prime (2791004294443).

2791004294428 is an admirable number.

It is a super-2 number, since 2×2791004294428² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49839362373 + ... + 49839362428.

Almost surely, 2^{2791004294428} is an apocalyptic number.

2791004294428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2791004294428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2791004294428 is a wasteful number, since it uses less digits than its factorization.

2791004294428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99678724812 (or 99678724810 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2791004294428 in words is "two trillion, seven hundred ninety-one billion, four million, two hundred ninety-four thousand, four hundred twenty-eight".