1379567953 has 4 divisors (see below), whose sum is σ = 1381124160. Its totient is φ = 1378011748.

The previous prime is 1379567927. The next prime is 1379567957. The reversal of 1379567953 is 3597659731.

It is a happy number.

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 1379567953 - 2¹³ = 1379559761 is a prime.

It is a super-2 number, since 2×1379567953² = 3806415473889220418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1379567894 and 1379567903.

It is not an unprimeable number, because it can be changed into a prime (1379567957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776773 + ... + 778546.

It is an arithmetic number, because the mean of its divisors is an integer number (345281040).

Almost surely, 2^1379567953 is an apocalyptic number.

It is an amenable number.

1379567953 is a deficient number, since it is larger than the sum of its proper divisors (1556207).

1379567953 is an equidigital number, since it uses as much as digits as its factorization.

1379567953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556206.

The product of its digits is 5358150, while the sum is 55.

The square root of 1379567953 is about 37142.5356296524. The cubic root of 1379567953 is about 1113.2200825337.

The spelling of 1379567953 in words is "one billion, three hundred seventy-nine million, five hundred sixty-seven thousand, nine hundred fifty-three".