1495988989 has 8 divisors (see below), whose sum is σ = 1632648960. Its totient is φ = 1359439200.

The previous prime is 1495988969. The next prime is 1495988993. The reversal of 1495988989 is 9898895941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1495988989 - 2¹¹ = 1495986941 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 (1495988939) 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, 2257 + ... + 54745.

It is an arithmetic number, because the mean of its divisors is an integer number (204081120).

Almost surely, 2^1495988989 is an apocalyptic number.

It is an amenable number.

1495988989 is a deficient number, since it is larger than the sum of its proper divisors (136659971).

1495988989 is a wasteful number, since it uses less digits than its factorization.

1495988989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55091.

The product of its digits is 67184640, while the sum is 70.

The square root of 1495988989 is about 38678.0168700516. The cubic root of 1495988989 is about 1143.6930069882.

The spelling of 1495988989 in words is "one billion, four hundred ninety-five million, nine hundred eighty-eight thousand, nine hundred eighty-nine".