89251601549 has 16 divisors (see below), whose sum is σ = 99024090624. Its totient is φ = 79757246400.

The previous prime is 89251601507. The next prime is 89251601561. The reversal of 89251601549 is 94510615298.

It is a cyclic number.

It is not a de Polignac number, because 89251601549 - 2⁸ = 89251601293 is a prime.

It is a super-2 number, since 2×89251601549² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89251601497 and 89251601506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89251601149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041092 + ... + 1123554.

It is an arithmetic number, because the mean of its divisors is an integer number (6189005664).

Almost surely, 2^89251601549 is an apocalyptic number.

It is an amenable number.

89251601549 is a deficient number, since it is larger than the sum of its proper divisors (9772489075).

89251601549 is a wasteful number, since it uses less digits than its factorization.

89251601549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84148.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 89251601549 in words is "eighty-nine billion, two hundred fifty-one million, six hundred one thousand, five hundred forty-nine".