1629749023198 has 8 divisors (see below), whose sum is σ = 2463872539392. Its totient is φ = 808458176736.

The previous prime is 1629749023193. The next prime is 1629749023207. The reversal of 1629749023198 is 8913209479261.

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

It is a super-2 number, since 2×1629749023198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1629749023193) 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, 3208167115 + ... + 3208167622.

It is an arithmetic number, because the mean of its divisors is an integer number (307984067424).

Almost surely, 2^{1629749023198} is an apocalyptic number.

1629749023198 is a deficient number, since it is larger than the sum of its proper divisors (834123516194).

1629749023198 is a wasteful number, since it uses less digits than its factorization.

1629749023198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416334866.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 1629749023198 in words is "one trillion, six hundred twenty-nine billion, seven hundred forty-nine million, twenty-three thousand, one hundred ninety-eight".