73801603773979 has 2 divisors, whose sum is σ = 73801603773980. Its totient is φ = 73801603773978.

The previous prime is 73801603773977. The next prime is 73801603774099. The reversal of 73801603773979 is 97937730610837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73801603773979 - 2¹ = 73801603773977 is a prime.

It is a super-2 number, since 2×73801603773979² (a number of 29 digits) contains 22 as substring.

Together with 73801603773977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73801603773973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36900801886989 + 36900801886990.

It is an arithmetic number, because the mean of its divisors is an integer number (36900801886990).

Almost surely, 2^{73801603773979} is an apocalyptic number.

73801603773979 is a deficient number, since it is larger than the sum of its proper divisors (1).

73801603773979 is an equidigital number, since it uses as much as digits as its factorization.

73801603773979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252047376, while the sum is 70.

The spelling of 73801603773979 in words is "seventy-three trillion, eight hundred one billion, six hundred three million, seven hundred seventy-three thousand, nine hundred seventy-nine".