629470465 has 16 divisors (see below), whose sum is σ = 817700688. Its totient is φ = 462422016.

The previous prime is 629470447. The next prime is 629470511. The reversal of 629470465 is 564074926.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 112896 + 629357569 = 336^2 + 25087^2 .

It is a 3-Lehmer number, since φ(629470465) divides (629470465-1)³.

It is a cyclic number.

It is not a de Polignac number, because 629470465 - 2²⁵ = 595916033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12544 + ... + 37633.

It is an arithmetic number, because the mean of its divisors is an integer number (51106293).

It is a Poulet number, since it divides 2^629470464-1.

Almost surely, 2^629470465 is an apocalyptic number.

629470465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

629470465 is the 12545-th decagonal number.

It is an amenable number.

629470465 is a deficient number, since it is larger than the sum of its proper divisors (188230223).

629470465 is a wasteful number, since it uses less digits than its factorization.

629470465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50388.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 629470465 is about 25089.2499887900. The cubic root of 629470465 is about 857.0216356282.

The spelling of 629470465 in words is "six hundred twenty-nine million, four hundred seventy thousand, four hundred sixty-five".