2790294381 has 96 divisors (see below), whose sum is σ = 5179299840. Its totient is φ = 1410659712.

The previous prime is 2790294373. The next prime is 2790294383. The reversal of 2790294381 is 1834920972.

It is not a de Polignac number, because 2790294381 - 2³ = 2790294373 is a prime.

It is a super-2 number, since 2×2790294381² = 15571485465280346322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790294383) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1182655 + ... + 1185011.

It is an arithmetic number, because the mean of its divisors is an integer number (53951040).

Almost surely, 2^2790294381 is an apocalyptic number.

2790294381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2790294381 is a deficient number, since it is larger than the sum of its proper divisors (2389005459).

2790294381 is a wasteful number, since it uses less digits than its factorization.

2790294381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2790294381 is about 52823.2371310203. The cubic root of 2790294381 is about 1407.8293278742.

The spelling of 2790294381 in words is "two billion, seven hundred ninety million, two hundred ninety-four thousand, three hundred eighty-one".