1993169470 has 16 divisors (see below), whose sum is σ = 3630931920. Its totient is φ = 787661824.

The previous prime is 1993169429. The next prime is 1993169491. The reversal of 1993169470 is 749613991.

It is a super-2 number, since 2×1993169470² = 7945449072280161800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199875 + ... + 1201534.

It is an arithmetic number, because the mean of its divisors is an integer number (226933245).

Almost surely, 2^1993169470 is an apocalyptic number.

1993169470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1993169470 is a deficient number, since it is larger than the sum of its proper divisors (1637762450).

1993169470 is a wasteful number, since it uses less digits than its factorization.

1993169470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401499.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 1993169470 is about 44644.9265874634. The cubic root of 1993169470 is about 1258.4850925056.

It can be divided in two parts, 19931 and 69470, that added together give a square (89401 = 299²).

The spelling of 1993169470 in words is "one billion, nine hundred ninety-three million, one hundred sixty-nine thousand, four hundred seventy".