1009964872508 has 24 divisors (see below), whose sum is σ = 1866503979648. Its totient is φ = 477207076016.

The previous prime is 1009964872507. The next prime is 1009964872517. The reversal of 1009964872508 is 8052784699001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009964872507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66124166 + ... + 66139437.

It is an arithmetic number, because the mean of its divisors is an integer number (77770999152).

Almost surely, 2^{1009964872508} is an apocalyptic number.

It is an amenable number.

1009964872508 is a deficient number, since it is larger than the sum of its proper divisors (856539107140).

1009964872508 is a wasteful number, since it uses less digits than its factorization.

1009964872508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132263713 (or 132263711 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 1009964872508 in words is "one trillion, nine billion, nine hundred sixty-four million, eight hundred seventy-two thousand, five hundred eight".