352139949970 has 16 divisors (see below), whose sum is σ = 633937502808. Its totient is φ = 140836959360.

The previous prime is 352139949949. The next prime is 352139949971. The reversal of 352139949970 is 79949931253.

It can be written as a sum of positive squares in 4 ways, for example, as 352072529449 + 67420521 = 593357^2 + 8211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 352139949899 and 352139949908.

It is not an unprimeable number, because it can be changed into a prime (352139949971) 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, 2299701 + ... + 2448040.

Almost surely, 2^352139949970 is an apocalyptic number.

352139949970 is a deficient number, since it is larger than the sum of its proper divisors (281797552838).

352139949970 is a wasteful number, since it uses less digits than its factorization.

352139949970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755165.

The product of its (nonzero) digits is 16533720, while the sum is 61.

The spelling of 352139949970 in words is "three hundred fifty-two billion, one hundred thirty-nine million, nine hundred forty-nine thousand, nine hundred seventy".