2458644739 has 2 divisors, whose sum is σ = 2458644740. Its totient is φ = 2458644738.

The previous prime is 2458644673. The next prime is 2458644757. The reversal of 2458644739 is 9374468542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2458644739 - 2⁷ = 2458644611 is a prime.

It is a super-2 number, since 2×2458644739² = 12089867905224756242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2458624739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229322369 + 1229322370.

It is an arithmetic number, because the mean of its divisors is an integer number (1229322370).

Almost surely, 2^2458644739 is an apocalyptic number.

2458644739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2458644739 is an equidigital number, since it uses as much as digits as its factorization.

2458644739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 52.

The square root of 2458644739 is about 49584.7228387938. The cubic root of 2458644739 is about 1349.6834628695.

The spelling of 2458644739 in words is "two billion, four hundred fifty-eight million, six hundred forty-four thousand, seven hundred thirty-nine".