7829542488949 has 4 divisors (see below), whose sum is σ = 7835944405536. Its totient is φ = 7823140572364.

The previous prime is 7829542488931. The next prime is 7829542488961. The reversal of 7829542488949 is 9498842459287.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7829542488949 - 2⁷ = 7829542488821 is a prime.

It is a super-2 number, since 2×7829542488949² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7829542488919) 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, 3200956459 + ... + 3200958904.

It is an arithmetic number, because the mean of its divisors is an integer number (1958986101384).

Almost surely, 2^{7829542488949} is an apocalyptic number.

It is an amenable number.

7829542488949 is a deficient number, since it is larger than the sum of its proper divisors (6401916587).

7829542488949 is a wasteful number, since it uses less digits than its factorization.

7829542488949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401916586.

The product of its digits is 3344302080, while the sum is 79.

The spelling of 7829542488949 in words is "seven trillion, eight hundred twenty-nine billion, five hundred forty-two million, four hundred eighty-eight thousand, nine hundred forty-nine".