1970451469 has 24 divisors (see below), whose sum is σ = 2362592960. Its totient is φ = 1609711488.

The previous prime is 1970451443. The next prime is 1970451503. The reversal of 1970451469 is 9641540791.

It is not a de Polignac number, because 1970451469 - 2⁹ = 1970450957 is a prime.

It is a super-2 number, since 2×1970451469² = 7765357983368515922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970451269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1247122 + ... + 1248700.

Almost surely, 2^1970451469 is an apocalyptic number.

It is an amenable number.

1970451469 is a deficient number, since it is larger than the sum of its proper divisors (392141491).

1970451469 is a wasteful number, since it uses less digits than its factorization.

1970451469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1970451469 is about 44389.7676159720. The cubic root of 1970451469 is about 1253.6854367525.

The spelling of 1970451469 in words is "one billion, nine hundred seventy million, four hundred fifty-one thousand, four hundred sixty-nine".