7464994391 has 2 divisors, whose sum is σ = 7464994392. Its totient is φ = 7464994390.

The previous prime is 7464994351. The next prime is 7464994393. The reversal of 7464994391 is 1934994647.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7464994391 - 2¹⁴ = 7464978007 is a prime.

It is a super-2 number, since 2×7464994391² (a number of 21 digits) contains 22 as substring.

Together with 7464994393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7464994393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3732497195 + 3732497196.

It is an arithmetic number, because the mean of its divisors is an integer number (3732497196).

Almost surely, 2^7464994391 is an apocalyptic number.

7464994391 is a deficient number, since it is larger than the sum of its proper divisors (1).

7464994391 is an equidigital number, since it uses as much as digits as its factorization.

7464994391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The square root of 7464994391 is about 86400.1990217615. The cubic root of 7464994391 is about 1954.3836852148.

The spelling of 7464994391 in words is "seven billion, four hundred sixty-four million, nine hundred ninety-four thousand, three hundred ninety-one".