1021416613 has 20 divisors (see below), whose sum is σ = 1230109568. Its totient is φ = 847196280.

The previous prime is 1021416587. The next prime is 1021416631. The reversal of 1021416613 is 3166141201.

1021416613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021416613 - 2²¹ = 1019319461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021411613) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67570 + ... + 81292.

Almost surely, 2^1021416613 is an apocalyptic number.

It is an amenable number.

1021416613 is a deficient number, since it is larger than the sum of its proper divisors (208692955).

1021416613 is an frugal number, since it uses more digits than its factorization.

1021416613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 13761 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1021416613 is about 31959.6090870962. The cubic root of 1021416613 is about 1007.0885053665.

Adding to 1021416613 its reverse (3166141201), we get a palindrome (4187557814).

The spelling of 1021416613 in words is "one billion, twenty-one million, four hundred sixteen thousand, six hundred thirteen".