7420999311 has 24 divisors (see below), whose sum is σ = 11807243136. Its totient is φ = 4453903440.

The previous prime is 7420999301. The next prime is 7420999321. The reversal of 7420999311 is 1139990247.

It is an interprime number because it is at equal distance from previous prime (7420999301) and next prime (7420999321).

It is not a de Polignac number, because 7420999311 - 2⁵ = 7420999279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420999301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353685 + ... + 374078.

It is an arithmetic number, because the mean of its divisors is an integer number (491968464).

Almost surely, 2^7420999311 is an apocalyptic number.

7420999311 is a deficient number, since it is larger than the sum of its proper divisors (4386243825).

7420999311 is a wasteful number, since it uses less digits than its factorization.

7420999311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727883 (or 727880 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 7420999311 is about 86145.2222180662. Note that the first 4 decimals coincide. The cubic root of 7420999311 is about 1950.5367193206.

The spelling of 7420999311 in words is "seven billion, four hundred twenty million, nine hundred ninety-nine thousand, three hundred eleven".