103519856949 has 8 divisors (see below), whose sum is σ = 138034438080. Its totient is φ = 69009256896.

The previous prime is 103519856941. The next prime is 103519856953. The reversal of 103519856949 is 949658915301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103519856949 - 2³ = 103519856941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103519856892 and 103519856901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103519856941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934057 + ... + 1038990.

It is an arithmetic number, because the mean of its divisors is an integer number (17254304760).

Almost surely, 2^103519856949 is an apocalyptic number.

It is an amenable number.

103519856949 is a deficient number, since it is larger than the sum of its proper divisors (34514581131).

103519856949 is a wasteful number, since it uses less digits than its factorization.

103519856949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990539.

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 103519856949 in words is "one hundred three billion, five hundred nineteen million, eight hundred fifty-six thousand, nine hundred forty-nine".