1369849720 has 16 divisors (see below), whose sum is σ = 3082161960. Its totient is φ = 547939872.

The previous prime is 1369849717. The next prime is 1369849759. The reversal of 1369849720 is 279489631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17123082 + ... + 17123161.

Almost surely, 2^1369849720 is an apocalyptic number.

1369849720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369849720 is an abundant number, since it is smaller than the sum of its proper divisors (1712312240).

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

1369849720 is a wasteful number, since it uses less digits than its factorization.

1369849720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34246254 (or 34246250 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1369849720 is about 37011.4809214654. The cubic root of 1369849720 is about 1110.5999300013.

The spelling of 1369849720 in words is "one billion, three hundred sixty-nine million, eight hundred forty-nine thousand, seven hundred twenty".