949400636398 has 8 divisors (see below), whose sum is σ = 1424265255720. Its totient is φ = 474645551160.

The previous prime is 949400636291. The next prime is 949400636407. The reversal of 949400636398 is 893636004949.

949400636398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27361848 + ... + 27396523.

It is an arithmetic number, because the mean of its divisors is an integer number (178033156965).

Almost surely, 2^949400636398 is an apocalyptic number.

949400636398 is a deficient number, since it is larger than the sum of its proper divisors (474864619322).

949400636398 is a wasteful number, since it uses less digits than its factorization.

949400636398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54767042.

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 949400636398 in words is "nine hundred forty-nine billion, four hundred million, six hundred thirty-six thousand, three hundred ninety-eight".