7902957349 has 4 divisors (see below), whose sum is σ = 9031951264. Its totient is φ = 6773963436.

The previous prime is 7902957287. The next prime is 7902957353. The reversal of 7902957349 is 9437592097.

7902957349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7902957349 - 2¹³ = 7902949157 is a prime.

It is a super-2 number, since 2×7902957349² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7902957349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7902957949) 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, 564496947 + ... + 564496960.

It is an arithmetic number, because the mean of its divisors is an integer number (2257987816).

Almost surely, 2^7902957349 is an apocalyptic number.

It is an amenable number.

7902957349 is a deficient number, since it is larger than the sum of its proper divisors (1128993915).

7902957349 is a wasteful number, since it uses less digits than its factorization.

7902957349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128993914.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The square root of 7902957349 is about 88898.5790043913. The cubic root of 7902957349 is about 1991.8801913831.

The spelling of 7902957349 in words is "seven billion, nine hundred two million, nine hundred fifty-seven thousand, three hundred forty-nine".