3520629434856 has 32 divisors (see below), whose sum is σ = 9039453956640. Its totient is φ = 1141825762368.

The previous prime is 3520629434837. The next prime is 3520629434879. The reversal of 3520629434856 is 6584349260253.

It is a junction number, because it is equal to n+sod(n) for n = 3520629434796 and 3520629434805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982335506 + ... + 1982337281.

It is an arithmetic number, because the mean of its divisors is an integer number (282482936145).

Almost surely, 2^{3520629434856} is an apocalyptic number.

It is an amenable number.

3520629434856 is an abundant number, since it is smaller than the sum of its proper divisors (5518824521784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3520629434856 is a wasteful number, since it uses less digits than its factorization.

3520629434856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964672833 (or 3964672829 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 3520629434856 in words is "three trillion, five hundred twenty billion, six hundred twenty-nine million, four hundred thirty-four thousand, eight hundred fifty-six".