1401099993 has 12 divisors (see below), whose sum is σ = 2111803200. Its totient is φ = 893454936.

The previous prime is 1401099989. The next prime is 1401100021. The reversal of 1401099993 is 3999901041.

It is not a de Polignac number, because 1401099993 - 2² = 1401099989 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401099983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3384093 + ... + 3384506.

It is an arithmetic number, because the mean of its divisors is an integer number (175983600).

Almost surely, 2^1401099993 is an apocalyptic number.

It is an amenable number.

1401099993 is a deficient number, since it is larger than the sum of its proper divisors (710703207).

1401099993 is a wasteful number, since it uses less digits than its factorization.

1401099993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768628 (or 6768625 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 1401099993 is about 37431.2702562977. The cubic root of 1401099993 is about 1118.9818534769.

It can be divided in two parts, 14010 and 99993, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 1401099993 in words is "one billion, four hundred one million, ninety-nine thousand, nine hundred ninety-three".