7138404430477 has 16 divisors (see below), whose sum is σ = 7393079485440. Its totient is φ = 6884300126592.

The previous prime is 7138404430433. The next prime is 7138404430481. The reversal of 7138404430477 is 7740344048317.

It is a cyclic number.

It is not a de Polignac number, because 7138404430477 - 2¹⁹ = 7138403906189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138404430277) 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, 187601668 + ... + 187639714.

It is an arithmetic number, because the mean of its divisors is an integer number (462067467840).

Almost surely, 2^{7138404430477} is an apocalyptic number.

It is an amenable number.

7138404430477 is a deficient number, since it is larger than the sum of its proper divisors (254675054963).

7138404430477 is a wasteful number, since it uses less digits than its factorization.

7138404430477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45372.

The product of its (nonzero) digits is 6322176, while the sum is 52.

The spelling of 7138404430477 in words is "seven trillion, one hundred thirty-eight billion, four hundred four million, four hundred thirty thousand, four hundred seventy-seven".