1319650081 has 8 divisors (see below), whose sum is σ = 1336966560. Its totient is φ = 1302389088.

The previous prime is 1319650069. The next prime is 1319650097. The reversal of 1319650081 is 1800569131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1319650081 - 2¹⁷ = 1319519009 is a prime.

It is a super-2 number, since 2×1319650081² = 3482952672566613122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319650051) 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, 35130 + ... + 62236.

It is an arithmetic number, because the mean of its divisors is an integer number (167120820).

Almost surely, 2^1319650081 is an apocalyptic number.

It is an amenable number.

1319650081 is a deficient number, since it is larger than the sum of its proper divisors (17316479).

1319650081 is an equidigital number, since it uses as much as digits as its factorization.

1319650081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27743.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1319650081 is about 36326.9883282388. The cubic root of 1319650081 is about 1096.8643707068.

The spelling of 1319650081 in words is "one billion, three hundred nineteen million, six hundred fifty thousand, eighty-one".