2790981654 has 16 divisors (see below), whose sum is σ = 5595888240. Its totient is φ = 928006400.

The previous prime is 2790981653. The next prime is 2790981659. The reversal of 2790981654 is 4561890972.

It is a junction number, because it is equal to n+sod(n) for n = 2790981597 and 2790981606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790981653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577599 + ... + 582410.

It is an arithmetic number, because the mean of its divisors is an integer number (349743015).

Almost surely, 2^2790981654 is an apocalyptic number.

2790981654 is an abundant number, since it is smaller than the sum of its proper divisors (2804906586).

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

2790981654 is a wasteful number, since it uses less digits than its factorization.

2790981654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160415.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2790981654 is about 52829.7421345212. The cubic root of 2790981654 is about 1407.9449051245.

The spelling of 2790981654 in words is "two billion, seven hundred ninety million, nine hundred eighty-one thousand, six hundred fifty-four".