899434348662969 has 96 divisors (see below), whose sum is σ = 1522866847417344. Its totient is φ = 500834903587200.

The previous prime is 899434348662917. The next prime is 899434348662973. The reversal of 899434348662969 is 969266843434998.

899434348662969 is a `hidden beast` number, since 8 + 9 + 9 + 4 + 3 + 4 + 3 + 486 + 62 + 9 + 69 = 666.

It is not a de Polignac number, because 899434348662969 - 2⁷ = 899434348662841 is a prime.

It is a super-2 number, since 2×899434348662969² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (899434348663969) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19425785119 + ... + 19425831419.

It is an arithmetic number, because the mean of its divisors is an integer number (15863196327264).

Almost surely, 2^{899434348662969} is an apocalyptic number.

It is an amenable number.

899434348662969 is a deficient number, since it is larger than the sum of its proper divisors (623432498754375).

899434348662969 is a wasteful number, since it uses less digits than its factorization.

899434348662969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62987 (or 62984 counting only the distinct ones).

The product of its digits is 104485552128, while the sum is 90.

The spelling of 899434348662969 in words is "eight hundred ninety-nine trillion, four hundred thirty-four billion, three hundred forty-eight million, six hundred sixty-two thousand, nine hundred sixty-nine".