2819494977 has 16 divisors (see below), whose sum is σ = 4097287488. Its totient is φ = 1714167360.

The previous prime is 2819494973. The next prime is 2819495027. The reversal of 2819494977 is 7794949182.

It is not a de Polignac number, because 2819494977 - 2² = 2819494973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2819494977.

It is not an unprimeable number, because it can be changed into a prime (2819494973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432274 + ... + 438747.

It is an arithmetic number, because the mean of its divisors is an integer number (256080468).

Almost surely, 2^2819494977 is an apocalyptic number.

It is an amenable number.

2819494977 is a deficient number, since it is larger than the sum of its proper divisors (1277792511).

2819494977 is a wasteful number, since it uses less digits than its factorization.

2819494977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871120.

The product of its digits is 9144576, while the sum is 60.

The square root of 2819494977 is about 53098.9169098580. The cubic root of 2819494977 is about 1412.7233012356.

The spelling of 2819494977 in words is "two billion, eight hundred nineteen million, four hundred ninety-four thousand, nine hundred seventy-seven".