4269521972 has 6 divisors (see below), whose sum is σ = 7471663458. Its totient is φ = 2134760984.

The previous prime is 4269521969. The next prime is 4269521981. The reversal of 4269521972 is 2791259624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4264873636 + 4648336 = 65306^2 + 2156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533690243 + ... + 533690250.

It is an arithmetic number, because the mean of its divisors is an integer number (1245277243).

Almost surely, 2^4269521972 is an apocalyptic number.

It is an amenable number.

4269521972 is a deficient number, since it is larger than the sum of its proper divisors (3202141486).

4269521972 is a wasteful number, since it uses less digits than its factorization.

4269521972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067380497 (or 1067380495 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 4269521972 is about 65341.5791973227. The cubic root of 4269521972 is about 1622.2822544710.

The spelling of 4269521972 in words is "four billion, two hundred sixty-nine million, five hundred twenty-one thousand, nine hundred seventy-two".