73376541409 has 2 divisors, whose sum is σ = 73376541410. Its totient is φ = 73376541408.

The previous prime is 73376541391. The next prime is 73376541467. The reversal of 73376541409 is 90414567337.

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., 73375974400 + 567009 = 270880^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 73376541409 - 2⁷ = 73376541281 is a prime.

It is not a weakly prime, because it can be changed into another prime (73376841409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36688270704 + 36688270705.

It is an arithmetic number, because the mean of its divisors is an integer number (36688270705).

Almost surely, 2^73376541409 is an apocalyptic number.

It is an amenable number.

73376541409 is a deficient number, since it is larger than the sum of its proper divisors (1).

73376541409 is an equidigital number, since it uses as much as digits as its factorization.

73376541409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 73376541409 in words is "seventy-three billion, three hundred seventy-six million, five hundred forty-one thousand, four hundred nine".