1147679513 has 2 divisors, whose sum is σ = 1147679514. Its totient is φ = 1147679512.

The previous prime is 1147679509. The next prime is 1147679527. The reversal of 1147679513 is 3159767411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631617424 + 516062089 = 25132^2 + 22717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147679513 - 2² = 1147679509 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147675513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573839756 + 573839757.

It is an arithmetic number, because the mean of its divisors is an integer number (573839757).

Almost surely, 2^1147679513 is an apocalyptic number.

It is an amenable number.

1147679513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147679513 is an equidigital number, since it uses as much as digits as its factorization.

1147679513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 1147679513 is about 33877.4189247056. The cubic root of 1147679513 is about 1046.9843975116.

The spelling of 1147679513 in words is "one billion, one hundred forty-seven million, six hundred seventy-nine thousand, five hundred thirteen".