1379558458 has 4 divisors (see below), whose sum is σ = 2069337690. Its totient is φ = 689779228.

The previous prime is 1379558419. The next prime is 1379558461. The reversal of 1379558458 is 8548559731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8548559731 = 2243 ⋅3811217.

It can be written as a sum of positive squares in only one way, i.e., 922154689 + 457403769 = 30367^2 + 21387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1379558399 and 1379558408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344889613 + ... + 344889616.

Almost surely, 2^1379558458 is an apocalyptic number.

1379558458 is a deficient number, since it is larger than the sum of its proper divisors (689779232).

1379558458 is an equidigital number, since it uses as much as digits as its factorization.

1379558458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689779231.

The product of its digits is 6048000, while the sum is 55.

The square root of 1379558458 is about 37142.4078110184. The cubic root of 1379558458 is about 1113.2175285822.

The spelling of 1379558458 in words is "one billion, three hundred seventy-nine million, five hundred fifty-eight thousand, four hundred fifty-eight".