9402649842 has 16 divisors (see below), whose sum is σ = 18806827392. Its totient is φ = 3133962000.

The previous prime is 9402649831. The next prime is 9402649847. The reversal of 9402649842 is 2489462049.

It is a junction number, because it is equal to n+sod(n) for n = 9402649791 and 9402649800.

It is not an unprimeable number, because it can be changed into a prime (9402649847) 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, 26092 + ... + 139592.

It is an arithmetic number, because the mean of its divisors is an integer number (1175426712).

Almost surely, 2^9402649842 is an apocalyptic number.

9402649842 is an abundant number, since it is smaller than the sum of its proper divisors (9404177550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9402649842 is a wasteful number, since it uses less digits than its factorization.

9402649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127313.

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 9402649842 is about 96967.2617020817. The cubic root of 9402649842 is about 2110.6525868667.

The spelling of 9402649842 in words is "nine billion, four hundred two million, six hundred forty-nine thousand, eight hundred forty-two".