2774721654 has 48 divisors (see below), whose sum is σ = 6087524352. Its totient is φ = 913341744.

The previous prime is 2774721647. The next prime is 2774721689. The reversal of 2774721654 is 4561274772.

2774721654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507057 + ... + 512499.

It is an arithmetic number, because the mean of its divisors is an integer number (126823424).

Almost surely, 2^2774721654 is an apocalyptic number.

2774721654 is an abundant number, since it is smaller than the sum of its proper divisors (3312802698).

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

2774721654 is a wasteful number, since it uses less digits than its factorization.

2774721654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801 (or 5798 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 2774721654 is about 52675.6267546956. The cubic root of 2774721654 is about 1405.2053927342.

The spelling of 2774721654 in words is "two billion, seven hundred seventy-four million, seven hundred twenty-one thousand, six hundred fifty-four".