406217770451 has 2 divisors, whose sum is σ = 406217770452. Its totient is φ = 406217770450.

The previous prime is 406217770429. The next prime is 406217770477. The reversal of 406217770451 is 154077712604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406217770451 is a prime.

It is not a weakly prime, because it can be changed into another prime (406217770421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203108885225 + 203108885226.

It is an arithmetic number, because the mean of its divisors is an integer number (203108885226).

Almost surely, 2^406217770451 is an apocalyptic number.

406217770451 is a deficient number, since it is larger than the sum of its proper divisors (1).

406217770451 is an equidigital number, since it uses as much as digits as its factorization.

406217770451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 406217770451 in words is "four hundred six billion, two hundred seventeen million, seven hundred seventy thousand, four hundred fifty-one".