1379157653 has 2 divisors, whose sum is σ = 1379157654. Its totient is φ = 1379157652.

The previous prime is 1379157599. The next prime is 1379157673. The reversal of 1379157653 is 3567519731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735114769 + 644042884 = 27113^2 + 25378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379157653 - 2¹² = 1379153557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379157598 and 1379157607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379157673) 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 as a sum of consecutive naturals, namely, 689578826 + 689578827.

It is an arithmetic number, because the mean of its divisors is an integer number (689578827).

Almost surely, 2^1379157653 is an apocalyptic number.

It is an amenable number.

1379157653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379157653 is an equidigital number, since it uses as much as digits as its factorization.

1379157653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595350, while the sum is 47.

The square root of 1379157653 is about 37137.0119018749. The cubic root of 1379157653 is about 1113.1097099377.

The spelling of 1379157653 in words is "one billion, three hundred seventy-nine million, one hundred fifty-seven thousand, six hundred fifty-three".