1399773441 has 16 divisors (see below), whose sum is σ = 2036671488. Its totient is φ = 848082000.

The previous prime is 1399773437. The next prime is 1399773469. The reversal of 1399773441 is 1443779931.

It is not a de Polignac number, because 1399773441 - 2² = 1399773437 is a prime.

It is a super-2 number, since 2×1399773441² = 3918731372257960962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1399773041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172620 + ... + 180546.

It is an arithmetic number, because the mean of its divisors is an integer number (127291968).

Almost surely, 2^1399773441 is an apocalyptic number.

1399773441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1399773441 is a deficient number, since it is larger than the sum of its proper divisors (636898047).

1399773441 is a wasteful number, since it uses less digits than its factorization.

1399773441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292.

The product of its digits is 571536, while the sum is 48.

The square root of 1399773441 is about 37413.5462232598. The cubic root of 1399773441 is about 1118.6285938145.

The spelling of 1399773441 in words is "one billion, three hundred ninety-nine million, seven hundred seventy-three thousand, four hundred forty-one".