320938950634 has 16 divisors (see below), whose sum is σ = 509775621768. Its totient is φ = 151015560192.

The previous prime is 320938950559. The next prime is 320938950697. The reversal of 320938950634 is 436059839023.

It can be written as a sum of positive squares in 4 ways, for example, as 259758412225 + 61180538409 = 509665^2 + 247347^2 .

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, 91497 + ... + 806380.

Almost surely, 2^320938950634 is an apocalyptic number.

320938950634 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

320938950634 is a deficient number, since it is larger than the sum of its proper divisors (188836671134).

320938950634 is a wasteful number, since it uses less digits than its factorization.

320938950634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908409.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 320938950634 in words is "three hundred twenty billion, nine hundred thirty-eight million, nine hundred fifty thousand, six hundred thirty-four".