1342172993 has 16 divisors (see below), whose sum is σ = 1588629504. Its totient is φ = 1109641680.

The previous prime is 1342172969. The next prime is 1342173029. The reversal of 1342172993 is 3992712431.

It is not a de Polignac number, because 1342172993 - 2⁶ = 1342172929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342172993.

It is not an unprimeable number, because it can be changed into a prime (1342172393) 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, 56546 + ... + 76692.

It is an arithmetic number, because the mean of its divisors is an integer number (99289344).

Almost surely, 2^1342172993 is an apocalyptic number.

It is an amenable number.

1342172993 is a deficient number, since it is larger than the sum of its proper divisors (246456511).

1342172993 is a wasteful number, since it uses less digits than its factorization.

1342172993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492.

The product of its digits is 81648, while the sum is 41.

The square root of 1342172993 is about 36635.6792348661. The cubic root of 1342172993 is about 1103.0693868691.

The spelling of 1342172993 in words is "one billion, three hundred forty-two million, one hundred seventy-two thousand, nine hundred ninety-three".