49390909386 has 32 divisors (see below), whose sum is σ = 121577624448. Its totient is φ = 13026173760.

The previous prime is 49390909361. The next prime is 49390909417. The reversal of 49390909386 is 68390909394.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45229225 + ... + 45230316.

It is an arithmetic number, because the mean of its divisors is an integer number (3799300764).

Almost surely, 2^49390909386 is an apocalyptic number.

49390909386 is an abundant number, since it is smaller than the sum of its proper divisors (72186715062).

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

49390909386 is a wasteful number, since it uses less digits than its factorization.

49390909386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90459566.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 49390909386 in words is "forty-nine billion, three hundred ninety million, nine hundred nine thousand, three hundred eighty-six".