354888887749 has 16 divisors (see below), whose sum is σ = 395450915904. Its totient is φ = 315777571200.

The previous prime is 354888887741. The next prime is 354888887791. The reversal of 354888887749 is 947788888453.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 354888887749 - 2³ = 354888887741 is a prime.

It is a super-2 number, since 2×354888887749² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354888887741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581654 + ... + 1792039.

It is an arithmetic number, because the mean of its divisors is an integer number (24715682244).

Almost surely, 2^354888887749 is an apocalyptic number.

It is an amenable number.

354888887749 is a deficient number, since it is larger than the sum of its proper divisors (40562028155).

354888887749 is a wasteful number, since it uses less digits than its factorization.

354888887749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373908.

The product of its digits is 3468165120, while the sum is 79.

The spelling of 354888887749 in words is "three hundred fifty-four billion, eight hundred eighty-eight million, eight hundred eighty-seven thousand, seven hundred forty-nine".