420613892157061 has 4 divisors (see below), whose sum is σ = 421450102678752. Its totient is φ = 419777681635372.

The previous prime is 420613892157029. The next prime is 420613892157089. The reversal of 420613892157061 is 160751298316024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420613892157061 - 2⁵ = 420613892157029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420613892156993 and 420613892157011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420613892107061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418105260091 + ... + 418105261096.

It is an arithmetic number, because the mean of its divisors is an integer number (105362525669688).

It is a 1-persistent number, because it is pandigital, but 2⋅420613892157061 = 841227784314122 is not.

Almost surely, 2^{420613892157061} is an apocalyptic number.

It is an amenable number.

420613892157061 is a deficient number, since it is larger than the sum of its proper divisors (836210521691).

420613892157061 is an equidigital number, since it uses as much as digits as its factorization.

420613892157061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836210521690.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 420613892157061 in words is "four hundred twenty trillion, six hundred thirteen billion, eight hundred ninety-two million, one hundred fifty-seven thousand, sixty-one".