997469133 has 16 divisors (see below), whose sum is σ = 1371953856. Its totient is φ = 644307840.

The previous prime is 997469117. The next prime is 997469147. The reversal of 997469133 is 331964799.

It is not a de Polignac number, because 997469133 - 2⁴ = 997469117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997469933) 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, 28416 + ... + 52937.

It is an arithmetic number, because the mean of its divisors is an integer number (85747116).

Almost surely, 2^997469133 is an apocalyptic number.

It is an amenable number.

997469133 is a deficient number, since it is larger than the sum of its proper divisors (374484723).

997469133 is a wasteful number, since it uses less digits than its factorization.

997469133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81484.

The product of its digits is 1102248, while the sum is 51.

The square root of 997469133 is about 31582.7347295955. The cubic root of 997469133 is about 999.1556649657.

The spelling of 997469133 in words is "nine hundred ninety-seven million, four hundred sixty-nine thousand, one hundred thirty-three".