1629157714 has 8 divisors (see below), whose sum is σ = 2503340028. Its totient is φ = 794711040.

The previous prime is 1629157697. The next prime is 1629157723. The reversal of 1629157714 is 4177519261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1375297225 + 253860489 = 37085^2 + 15933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9933807 + ... + 9933970.

Almost surely, 2^1629157714 is an apocalyptic number.

1629157714 is a deficient number, since it is larger than the sum of its proper divisors (874182314).

1629157714 is a wasteful number, since it uses less digits than its factorization.

1629157714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867820.

The product of its digits is 105840, while the sum is 43.

The square root of 1629157714 is about 40362.8258921498. The cubic root of 1629157714 is about 1176.6691747555.

The spelling of 1629157714 in words is "one billion, six hundred twenty-nine million, one hundred fifty-seven thousand, seven hundred fourteen".