5540693939 has 6 divisors (see below), whose sum is σ = 6090184380. Its totient is φ = 5036994380.

The previous prime is 5540693933. The next prime is 5540693959. The reversal of 5540693939 is 9393960455.

It is not a de Polignac number, because 5540693939 - 2⁴ = 5540693923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540693933) 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, 22895309 + ... + 22895550.

It is an arithmetic number, because the mean of its divisors is an integer number (1015030730).

Almost surely, 2^5540693939 is an apocalyptic number.

5540693939 is a deficient number, since it is larger than the sum of its proper divisors (549490441).

5540693939 is a wasteful number, since it uses less digits than its factorization.

5540693939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45790881 (or 45790870 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 53.

The square root of 5540693939 is about 74435.8377329093. The cubic root of 5540693939 is about 1769.5169225479.

The spelling of 5540693939 in words is "five billion, five hundred forty million, six hundred ninety-three thousand, nine hundred thirty-nine".