28737017741 has 2 divisors, whose sum is σ = 28737017742. Its totient is φ = 28737017740.

The previous prime is 28737017737. The next prime is 28737017773. The reversal of 28737017741 is 14771073782.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26768232100 + 1968785641 = 163610^2 + 44371^2 .

It is a cyclic number.

It is not a de Polignac number, because 28737017741 - 2² = 28737017737 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28737037741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14368508870 + 14368508871.

It is an arithmetic number, because the mean of its divisors is an integer number (14368508871).

Almost surely, 2^28737017741 is an apocalyptic number.

It is an amenable number.

28737017741 is a deficient number, since it is larger than the sum of its proper divisors (1).

28737017741 is an equidigital number, since it uses as much as digits as its factorization.

28737017741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460992, while the sum is 47.

The spelling of 28737017741 in words is "twenty-eight billion, seven hundred thirty-seven million, seventeen thousand, seven hundred forty-one".