420029074791 has 6 divisors (see below), whose sum is σ = 606708663600. Its totient is φ = 280019383188.

The previous prime is 420029074747. The next prime is 420029074831. The reversal of 420029074791 is 197470920024.

It is a happy number.

420029074791 is a `hidden beast` number, since 4 + 200 + 290 + 74 + 7 + 91 = 666.

It is not a de Polignac number, because 420029074791 - 2²¹ = 420026977639 is a prime.

It is a super-3 number, since 3×420029074791³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420029074711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23334948591 + ... + 23334948608.

It is an arithmetic number, because the mean of its divisors is an integer number (101118110600).

Almost surely, 2^420029074791 is an apocalyptic number.

420029074791 is a deficient number, since it is larger than the sum of its proper divisors (186679588809).

420029074791 is a wasteful number, since it uses less digits than its factorization.

420029074791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46669897205 (or 46669897202 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 420029074791 in words is "four hundred twenty billion, twenty-nine million, seventy-four thousand, seven hundred ninety-one".