7830949401 has 64 divisors (see below), whose sum is σ = 13188096000. Its totient is φ = 4549435200.

The previous prime is 7830949393. The next prime is 7830949409. The reversal of 7830949401 is 1049490387.

It is an interprime number because it is at equal distance from previous prime (7830949393) and next prime (7830949409).

It is not a de Polignac number, because 7830949401 - 2³ = 7830949393 is a prime.

It is a super-2 number, since 2×7830949401² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7830949409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 981175 + ... + 989123.

It is an arithmetic number, because the mean of its divisors is an integer number (206064000).

Almost surely, 2^7830949401 is an apocalyptic number.

It is an amenable number.

7830949401 is a deficient number, since it is larger than the sum of its proper divisors (5357146599).

7830949401 is a wasteful number, since it uses less digits than its factorization.

7830949401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107 (or 8101 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 7830949401 is about 88492.6516779783. The cubic root of 7830949401 is about 1985.8120389651.

The spelling of 7830949401 in words is "seven billion, eight hundred thirty million, nine hundred forty-nine thousand, four hundred one".