426833508615261 has 32 divisors (see below), whose sum is σ = 623051593460352. Its totient is φ = 257769357096960.

The previous prime is 426833508615251. The next prime is 426833508615271. The reversal of 426833508615261 is 162516805338624.

It is an interprime number because it is at equal distance from previous prime (426833508615251) and next prime (426833508615271).

It is not a de Polignac number, because 426833508615261 - 2³⁴ = 426816328746077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426833508615195 and 426833508615204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426833508615251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68900181 + ... + 74839173.

It is an arithmetic number, because the mean of its divisors is an integer number (19470362295636).

Almost surely, 2^{426833508615261} is an apocalyptic number.

It is an amenable number.

426833508615261 is a deficient number, since it is larger than the sum of its proper divisors (196218084845091).

426833508615261 is a wasteful number, since it uses less digits than its factorization.

426833508615261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946733.

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 426833508615261 in words is "four hundred twenty-six trillion, eight hundred thirty-three billion, five hundred eight million, six hundred fifteen thousand, two hundred sixty-one".