99758143381 has 16 divisors (see below), whose sum is σ = 113312920000. Its totient is φ = 87062957568.

The previous prime is 99758143361. The next prime is 99758143399. The reversal of 99758143381 is 18334185799.

It is a cyclic number.

It is not a de Polignac number, because 99758143381 - 2⁵ = 99758143349 is a prime.

It is a super-2 number, since 2×99758143381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99758143321) 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, 281436 + ... + 527941.

It is an arithmetic number, because the mean of its divisors is an integer number (7082057500).

Almost surely, 2^99758143381 is an apocalyptic number.

It is an amenable number.

99758143381 is a deficient number, since it is larger than the sum of its proper divisors (13554776619).

99758143381 is a wasteful number, since it uses less digits than its factorization.

99758143381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809908.

The product of its digits is 6531840, while the sum is 58.

The spelling of 99758143381 in words is "ninety-nine billion, seven hundred fifty-eight million, one hundred forty-three thousand, three hundred eighty-one".