2129396356 has 6 divisors (see below), whose sum is σ = 3726443630. Its totient is φ = 1064698176.

The previous prime is 2129396323. The next prime is 2129396371. The reversal of 2129396356 is 6536939212.

It can be written as a sum of positive squares in only one way, i.e., 1541818756 + 587577600 = 39266^2 + 24240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266174541 + ... + 266174548.

Almost surely, 2^2129396356 is an apocalyptic number.

It is an amenable number.

2129396356 is a deficient number, since it is larger than the sum of its proper divisors (1597047274).

2129396356 is a wasteful number, since it uses less digits than its factorization.

2129396356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532349093 (or 532349091 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The square root of 2129396356 is about 46145.3828242870. The cubic root of 2129396356 is about 1286.5267939562.

It can be divided in two parts, 21293 and 96356, that added together give a 6-th power (117649 = 7⁶).

The spelling of 2129396356 in words is "two billion, one hundred twenty-nine million, three hundred ninety-six thousand, three hundred fifty-six".