7042500949 has 4 divisors (see below), whose sum is σ = 7682728320. Its totient is φ = 6402273580.

The previous prime is 7042500923. The next prime is 7042500953. The reversal of 7042500949 is 9490052407.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9490052407 = 11 ⋅862732037.

It is a cyclic number.

It is not a de Polignac number, because 7042500949 - 2¹⁹ = 7041976661 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042500979) 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, 320113669 + ... + 320113690.

It is an arithmetic number, because the mean of its divisors is an integer number (1920682080).

Almost surely, 2^7042500949 is an apocalyptic number.

It is an amenable number.

7042500949 is a deficient number, since it is larger than the sum of its proper divisors (640227371).

7042500949 is a wasteful number, since it uses less digits than its factorization.

7042500949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640227370.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 7042500949 is about 83919.6100384171. The cubic root of 7042500949 is about 1916.7948685446.

The spelling of 7042500949 in words is "seven billion, forty-two million, five hundred thousand, nine hundred forty-nine".