74893370833 has 2 divisors, whose sum is σ = 74893370834. Its totient is φ = 74893370832.

The previous prime is 74893370813. The next prime is 74893370843. The reversal of 74893370833 is 33807339847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43660938304 + 31232432529 = 208952^2 + 176727^2 .

It is a cyclic number.

It is not a de Polignac number, because 74893370833 - 2¹³ = 74893362641 is a prime.

It is a super-2 number, since 2×74893370833² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74893370813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37446685416 + 37446685417.

It is an arithmetic number, because the mean of its divisors is an integer number (37446685417).

Almost surely, 2^74893370833 is an apocalyptic number.

It is an amenable number.

74893370833 is a deficient number, since it is larger than the sum of its proper divisors (1).

74893370833 is an equidigital number, since it uses as much as digits as its factorization.

74893370833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 74893370833 in words is "seventy-four billion, eight hundred ninety-three million, three hundred seventy thousand, eight hundred thirty-three".