351649782057 has 16 divisors (see below), whose sum is σ = 559144995840. Its totient is φ = 192206091792.

The previous prime is 351649782017. The next prime is 351649782059. The reversal of 351649782057 is 750287946153.

It is not a de Polignac number, because 351649782057 - 2⁶ = 351649781993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351649781988 and 351649782006.

It is not an unprimeable number, because it can be changed into a prime (351649782059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364026207 + ... + 364027172.

It is an arithmetic number, because the mean of its divisors is an integer number (34946562240).

It is a 1-persistent number, because it is pandigital, but 2⋅351649782057 = 703299564114 is not.

Almost surely, 2^351649782057 is an apocalyptic number.

It is an amenable number.

351649782057 is a deficient number, since it is larger than the sum of its proper divisors (207495213783).

351649782057 is a wasteful number, since it uses less digits than its factorization.

351649782057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728053412.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 351649782057 in words is "three hundred fifty-one billion, six hundred forty-nine million, seven hundred eighty-two thousand, fifty-seven".