431959969 has 8 divisors (see below), whose sum is σ = 505709568. Its totient is φ = 361220640.

The previous prime is 431959951. The next prime is 431959973. The reversal of 431959969 is 969959134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431959969 - 2⁵ = 431959937 is a prime.

It is a super-2 number, since 2×431959969² = 373178829636961922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431959999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752257 + ... + 752830.

It is an arithmetic number, because the mean of its divisors is an integer number (63213696).

Almost surely, 2^431959969 is an apocalyptic number.

It is an amenable number.

431959969 is a deficient number, since it is larger than the sum of its proper divisors (73749599).

431959969 is a wasteful number, since it uses less digits than its factorization.

431959969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505135.

The product of its digits is 2361960, while the sum is 55.

The square root of 431959969 is about 20783.6466723239. The cubic root of 431959969 is about 755.9292792622.

It can be divided in two parts, 431 and 959969, that added together give a square (960400 = 980²).

The spelling of 431959969 in words is "four hundred thirty-one million, nine hundred fifty-nine thousand, nine hundred sixty-nine".