4621115749 has 2 divisors, whose sum is σ = 4621115750. Its totient is φ = 4621115748.

The previous prime is 4621115687. The next prime is 4621115801. The reversal of 4621115749 is 9475111264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3792712225 + 828403524 = 61585^2 + 28782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621115749 - 2⁷ = 4621115621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4621125749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310557874 + 2310557875.

It is an arithmetic number, because the mean of its divisors is an integer number (2310557875).

Almost surely, 2^4621115749 is an apocalyptic number.

It is an amenable number.

4621115749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621115749 is an equidigital number, since it uses as much as digits as its factorization.

4621115749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 4621115749 is about 67978.7889639114. The cubic root of 4621115749 is about 1665.6443740700.

The spelling of 4621115749 in words is "four billion, six hundred twenty-one million, one hundred fifteen thousand, seven hundred forty-nine".