1379932553 has 2 divisors, whose sum is σ = 1379932554. Its totient is φ = 1379932552.

The previous prime is 1379932537. The next prime is 1379932559. The reversal of 1379932553 is 3552399731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885181504 + 494751049 = 29752^2 + 22243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379932553 - 2⁴ = 1379932537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379932498 and 1379932507.

It is not a weakly prime, because it can be changed into another prime (1379932559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689966276 + 689966277.

It is an arithmetic number, because the mean of its divisors is an integer number (689966277).

Almost surely, 2^1379932553 is an apocalyptic number.

It is an amenable number.

1379932553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379932553 is an equidigital number, since it uses as much as digits as its factorization.

1379932553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765450, while the sum is 47.

The square root of 1379932553 is about 37147.4434248173. The cubic root of 1379932553 is about 1113.3181432563.

The spelling of 1379932553 in words is "one billion, three hundred seventy-nine million, nine hundred thirty-two thousand, five hundred fifty-three".