1479779741 has 4 divisors (see below), whose sum is σ = 1614305184. Its totient is φ = 1345254300.

The previous prime is 1479779737. The next prime is 1479779747.

It is a happy number.

1479779741 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1479779741 - 2² = 1479779737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479779747) 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, 67262705 + ... + 67262726.

It is an arithmetic number, because the mean of its divisors is an integer number (403576296).

Almost surely, 2^1479779741 is an apocalyptic number.

1479779741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1479779741 is a deficient number, since it is larger than the sum of its proper divisors (134525443).

1479779741 is a wasteful number, since it uses less digits than its factorization.

1479779741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134525442.

The product of its digits is 3111696, while the sum is 56.

The square root of 1479779741 is about 38467.9053367869. The cubic root of 1479779741 is about 1139.5473069223.

The spelling of 1479779741 in words is "one billion, four hundred seventy-nine million, seven hundred seventy-nine thousand, seven hundred forty-one".