1369949424 has 40 divisors (see below), whose sum is σ = 3541499520. Its totient is φ = 456331968.

The previous prime is 1369949423. The next prime is 1369949429. The reversal of 1369949424 is 4249499631.

It is a super-2 number, since 2×1369949424² = 3753522848635863552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369949423) 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, 65679 + ... + 83985.

It is an arithmetic number, because the mean of its divisors is an integer number (88537488).

Almost surely, 2^1369949424 is an apocalyptic number.

It is an amenable number.

1369949424 is an abundant number, since it is smaller than the sum of its proper divisors (2171550096).

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

1369949424 is a wasteful number, since it uses less digits than its factorization.

1369949424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19877 (or 19871 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 1369949424 is about 37012.8278303617. The cubic root of 1369949424 is about 1110.6268742146.

The spelling of 1369949424 in words is "one billion, three hundred sixty-nine million, nine hundred forty-nine thousand, four hundred twenty-four".