5349646278 has 12 divisors (see below), whose sum is σ = 11590900308. Its totient is φ = 1783215420.

The previous prime is 5349646277. The next prime is 5349646283. The reversal of 5349646278 is 8726469435.

5349646278 is a `hidden beast` number, since 5 + 3 + 4 + 9 + 6 + 4 + 627 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5349646277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148601268 + ... + 148601303.

It is an arithmetic number, because the mean of its divisors is an integer number (965908359).

Almost surely, 2^5349646278 is an apocalyptic number.

5349646278 is an abundant number, since it is smaller than the sum of its proper divisors (6241254030).

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

5349646278 is a wasteful number, since it uses less digits than its factorization.

5349646278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297202579 (or 297202576 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 5349646278 is about 73141.2761578577. The cubic root of 5349646278 is about 1748.9404501005.

The spelling of 5349646278 in words is "five billion, three hundred forty-nine million, six hundred forty-six thousand, two hundred seventy-eight".