351770049 has 6 divisors (see below), whose sum is σ = 508112306. Its totient is φ = 234513360.

The previous prime is 351770021. The next prime is 351770059. The reversal of 351770049 is 940077153.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 348083649 + 3686400 = 18657^2 + 1920^2 .

It is not a de Polignac number, because 351770049 - 2⁷ = 351769921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 351769995 and 351770022.

It is not an unprimeable number, because it can be changed into a prime (351770059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19542772 + ... + 19542789.

Almost surely, 2^351770049 is an apocalyptic number.

It is an amenable number.

351770049 is a deficient number, since it is larger than the sum of its proper divisors (156342257).

351770049 is a wasteful number, since it uses less digits than its factorization.

351770049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39085567 (or 39085564 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 351770049 is about 18755.5338233813. The cubic root of 351770049 is about 705.9158822223.

The spelling of 351770049 in words is "three hundred fifty-one million, seven hundred seventy thousand, forty-nine".