1379648611 has 4 divisors (see below), whose sum is σ = 1505071224. Its totient is φ = 1254226000.

The previous prime is 1379648551. The next prime is 1379648701. The reversal of 1379648611 is 1168469731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1379648611 - 2⁹ = 1379648099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379648411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62711290 + ... + 62711311.

It is an arithmetic number, because the mean of its divisors is an integer number (376267806).

Almost surely, 2^1379648611 is an apocalyptic number.

1379648611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1379648611 is a deficient number, since it is larger than the sum of its proper divisors (125422613).

1379648611 is a wasteful number, since it uses less digits than its factorization.

1379648611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125422612.

The product of its digits is 217728, while the sum is 46.

The square root of 1379648611 is about 37143.6214039504. The cubic root of 1379648611 is about 1113.2417773344.

The spelling of 1379648611 in words is "one billion, three hundred seventy-nine million, six hundred forty-eight thousand, six hundred eleven".