1632379097 has 4 divisors (see below), whose sum is σ = 1639507620. Its totient is φ = 1625250576.

The previous prime is 1632379081. The next prime is 1632379141. The reversal of 1632379097 is 7909732361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7909732361 = 23 ⋅343901407.

It can be written as a sum of positive squares in 2 ways, for example, as 1546927561 + 85451536 = 39331^2 + 9244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632379097 - 2⁴ = 1632379081 is a prime.

It is a super-3 number, since 3×1632379097³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1632379027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563918 + ... + 3564375.

It is an arithmetic number, because the mean of its divisors is an integer number (409876905).

Almost surely, 2^1632379097 is an apocalyptic number.

It is an amenable number.

1632379097 is a deficient number, since it is larger than the sum of its proper divisors (7128523).

1632379097 is an equidigital number, since it uses as much as digits as its factorization.

1632379097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128522.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 1632379097 is about 40402.7115055413. The cubic root of 1632379097 is about 1177.4442186992. Note that the first 3 decimals are identical.

The spelling of 1632379097 in words is "one billion, six hundred thirty-two million, three hundred seventy-nine thousand, ninety-seven".