1234633993 has 16 divisors (see below), whose sum is σ = 1374921216. Its totient is φ = 1103281920.

The previous prime is 1234633987. The next prime is 1234634021. The reversal of 1234633993 is 3993364321.

It is not a de Polignac number, because 1234633993 - 2⁹ = 1234633481 is a prime.

It is a super-2 number, since 2×1234633993² = 3048642193342248098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234633913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5830 + ... + 50032.

It is an arithmetic number, because the mean of its divisors is an integer number (85932576).

Almost surely, 2^1234633993 is an apocalyptic number.

It is an amenable number.

1234633993 is a deficient number, since it is larger than the sum of its proper divisors (140287223).

1234633993 is a wasteful number, since it uses less digits than its factorization.

1234633993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44304.

The product of its digits is 314928, while the sum is 43.

The square root of 1234633993 is about 35137.3589360384. The cubic root of 1234633993 is about 1072.7851258229.

The spelling of 1234633993 in words is "one billion, two hundred thirty-four million, six hundred thirty-three thousand, nine hundred ninety-three".