1538788963 has 2 divisors, whose sum is σ = 1538788964. Its totient is φ = 1538788962.

The previous prime is 1538788931. The next prime is 1538788991. The reversal of 1538788963 is 3698878351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1538788963 - 2⁵ = 1538788931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1538788898 and 1538788907.

It is not a weakly prime, because it can be changed into another prime (1538788903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769394481 + 769394482.

It is an arithmetic number, because the mean of its divisors is an integer number (769394482).

Almost surely, 2^1538788963 is an apocalyptic number.

1538788963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538788963 is an equidigital number, since it uses as much as digits as its factorization.

1538788963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 58.

The square root of 1538788963 is about 39227.4006658611. The cubic root of 1538788963 is about 1154.4975639926.

The spelling of 1538788963 in words is "one billion, five hundred thirty-eight million, seven hundred eighty-eight thousand, nine hundred sixty-three".