3534143949 has 24 divisors (see below), whose sum is σ = 5863777920. Its totient is φ = 2009252448.

The previous prime is 3534143941. The next prime is 3534143969. The reversal of 3534143949 is 9493414353.

It is a happy number.

3534143949 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3534143949 - 2³ = 3534143941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534143941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129969 + ... + 154790.

It is an arithmetic number, because the mean of its divisors is an integer number (244324080).

Almost surely, 2^3534143949 is an apocalyptic number.

It is an amenable number.

3534143949 is a deficient number, since it is larger than the sum of its proper divisors (2329633971).

3534143949 is a wasteful number, since it uses less digits than its factorization.

3534143949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284969 (or 284966 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 3534143949 is about 59448.6665031269. Note that the first 3 decimals coincide. The cubic root of 3534143949 is about 1523.2157146819.

The spelling of 3534143949 in words is "three billion, five hundred thirty-four million, one hundred forty-three thousand, nine hundred forty-nine".