662462389 has 2 divisors, whose sum is σ = 662462390. Its totient is φ = 662462388.

The previous prime is 662462363. The next prime is 662462419. The reversal of 662462389 is 983264266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603095364 + 59367025 = 24558^2 + 7705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662462389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662469389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331231194 + 331231195.

It is an arithmetic number, because the mean of its divisors is an integer number (331231195).

Almost surely, 2^662462389 is an apocalyptic number.

It is an amenable number.

662462389 is a deficient number, since it is larger than the sum of its proper divisors (1).

662462389 is an equidigital number, since it uses as much as digits as its factorization.

662462389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 46.

The square root of 662462389 is about 25738.3447214462. The cubic root of 662462389 is about 871.7402033939.

It can be divided in two parts, 66246 and 2389, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 662462389 in words is "six hundred sixty-two million, four hundred sixty-two thousand, three hundred eighty-nine".