1964027402 has 4 divisors (see below), whose sum is σ = 2946041106. Its totient is φ = 982013700.

The previous prime is 1964027393. The next prime is 1964027411. The reversal of 1964027402 is 2047204691.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1964027393) and next prime (1964027411).

It can be written as a sum of positive squares in only one way, i.e., 1831754401 + 132273001 = 42799^2 + 11501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491006849 + ... + 491006852.

Almost surely, 2^1964027402 is an apocalyptic number.

1964027402 is a deficient number, since it is larger than the sum of its proper divisors (982013704).

1964027402 is an equidigital number, since it uses as much as digits as its factorization.

1964027402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982013703.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1964027402 is about 44317.3487699795. The cubic root of 1964027402 is about 1252.3215314840.

The spelling of 1964027402 in words is "one billion, nine hundred sixty-four million, twenty-seven thousand, four hundred two".