5390723979 has 6 divisors (see below), whose sum is σ = 7786601316. Its totient is φ = 3593815980.

The previous prime is 5390723941. The next prime is 5390724007. The reversal of 5390723979 is 9793270935.

5390723979 is a `hidden beast` number, since 539 + 0 + 7 + 2 + 39 + 79 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5390723979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5390723479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299484657 + ... + 299484674.

It is an arithmetic number, because the mean of its divisors is an integer number (1297766886).

Almost surely, 2^5390723979 is an apocalyptic number.

5390723979 is a deficient number, since it is larger than the sum of its proper divisors (2395877337).

5390723979 is a wasteful number, since it uses less digits than its factorization.

5390723979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598969337 (or 598969334 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 54.

The square root of 5390723979 is about 73421.5498270092. The cubic root of 5390723979 is about 1753.4055023577.

The spelling of 5390723979 in words is "five billion, three hundred ninety million, seven hundred twenty-three thousand, nine hundred seventy-nine".