1464542494 has 4 divisors (see below), whose sum is σ = 2196813744. Its totient is φ = 732271246.

The previous prime is 1464542441. The next prime is 1464542531. The reversal of 1464542494 is 4942454641.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1464542494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366135622 + ... + 366135625.

It is an arithmetic number, because the mean of its divisors is an integer number (549203436).

Almost surely, 2^1464542494 is an apocalyptic number.

1464542494 is a deficient number, since it is larger than the sum of its proper divisors (732271250).

1464542494 is an equidigital number, since it uses as much as digits as its factorization.

1464542494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732271249.

The product of its digits is 552960, while the sum is 43.

The square root of 1464542494 is about 38269.3414367167. The cubic root of 1464542494 is about 1135.6225101094.

The spelling of 1464542494 in words is "one billion, four hundred sixty-four million, five hundred forty-two thousand, four hundred ninety-four".