84621541337 has 2 divisors, whose sum is σ = 84621541338. Its totient is φ = 84621541336.

The previous prime is 84621541331. The next prime is 84621541351. The reversal of 84621541337 is 73314512648.

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., 63717875776 + 20903665561 = 252424^2 + 144581^2 .

It is a cyclic number.

It is not a de Polignac number, because 84621541337 - 2⁴ = 84621541321 is a prime.

It is not a weakly prime, because it can be changed into another prime (84621541331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42310770668 + 42310770669.

It is an arithmetic number, because the mean of its divisors is an integer number (42310770669).

Almost surely, 2^84621541337 is an apocalyptic number.

It is an amenable number.

84621541337 is a deficient number, since it is larger than the sum of its proper divisors (1).

84621541337 is an equidigital number, since it uses as much as digits as its factorization.

84621541337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The spelling of 84621541337 in words is "eighty-four billion, six hundred twenty-one million, five hundred forty-one thousand, three hundred thirty-seven".