406276686949 has 8 divisors (see below), whose sum is σ = 479294156288. Its totient is φ = 337003703280.

The previous prime is 406276686947. The next prime is 406276686971. The reversal of 406276686949 is 949686672604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406276686949 - 2¹ = 406276686947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406276686947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936121182 + ... + 936121615.

It is an arithmetic number, because the mean of its divisors is an integer number (59911769536).

Almost surely, 2^406276686949 is an apocalyptic number.

It is an amenable number.

406276686949 is a deficient number, since it is larger than the sum of its proper divisors (73017469339).

406276686949 is a wasteful number, since it uses less digits than its factorization.

406276686949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872242835.

The product of its (nonzero) digits is 188116992, while the sum is 67.

The spelling of 406276686949 in words is "four hundred six billion, two hundred seventy-six million, six hundred eighty-six thousand, nine hundred forty-nine".