11429437667 has 4 divisors (see below), whose sum is σ = 11438251176. Its totient is φ = 11420624160.

The previous prime is 11429437639. The next prime is 11429437699. The reversal of 11429437667 is 76673492411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11429437667 - 2¹⁸ = 11429175523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11429437627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4404809 + ... + 4407402.

It is an arithmetic number, because the mean of its divisors is an integer number (2859562794).

Almost surely, 2^11429437667 is an apocalyptic number.

11429437667 is a deficient number, since it is larger than the sum of its proper divisors (8813509).

11429437667 is an equidigital number, since it uses as much as digits as its factorization.

11429437667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813508.

The product of its digits is 1524096, while the sum is 50.

The spelling of 11429437667 in words is "eleven billion, four hundred twenty-nine million, four hundred thirty-seven thousand, six hundred sixty-seven".