42615776351 has 2 divisors, whose sum is σ = 42615776352. Its totient is φ = 42615776350.

The previous prime is 42615776347. The next prime is 42615776369. The reversal of 42615776351 is 15367751624.

42615776351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42615776351 - 2² = 42615776347 is a prime.

It is a super-2 number, since 2×42615776351² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42615776296 and 42615776305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42615776311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21307888175 + 21307888176.

It is an arithmetic number, because the mean of its divisors is an integer number (21307888176).

Almost surely, 2^42615776351 is an apocalyptic number.

42615776351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42615776351 is an equidigital number, since it uses as much as digits as its factorization.

42615776351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 47.

The spelling of 42615776351 in words is "forty-two billion, six hundred fifteen million, seven hundred seventy-six thousand, three hundred fifty-one".