1437970869 has 12 divisors (see below), whose sum is σ = 2125373536. Its totient is φ = 936352872.

The previous prime is 1437970847. The next prime is 1437970883. The reversal of 1437970869 is 9680797341.

It is a happy number.

It is not a de Polignac number, because 1437970869 - 2²⁰ = 1436922293 is a prime.

It is a super-2 number, since 2×1437970869² = 4135520440185230322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1437970889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857457 + ... + 1858230.

Almost surely, 2^1437970869 is an apocalyptic number.

It is an amenable number.

1437970869 is a deficient number, since it is larger than the sum of its proper divisors (687402667).

1437970869 is a wasteful number, since it uses less digits than its factorization.

1437970869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715736 (or 3715733 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1437970869 is about 37920.5863483148. The cubic root of 1437970869 is about 1128.7125727188.

The spelling of 1437970869 in words is "one billion, four hundred thirty-seven million, nine hundred seventy thousand, eight hundred sixty-nine".