1264650494 has 8 divisors (see below), whose sum is σ = 1943243568. Its totient is φ = 616902640.

The previous prime is 1264650493. The next prime is 1264650523. The reversal of 1264650494 is 4940564621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264650493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7711202 + ... + 7711365.

It is an arithmetic number, because the mean of its divisors is an integer number (242905446).

Almost surely, 2^1264650494 is an apocalyptic number.

1264650494 is a deficient number, since it is larger than the sum of its proper divisors (678593074).

1264650494 is a wasteful number, since it uses less digits than its factorization.

1264650494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422610.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1264650494 is about 35561.9247791792. The cubic root of 1264650494 is about 1081.4094805958.

The spelling of 1264650494 in words is "one billion, two hundred sixty-four million, six hundred fifty thousand, four hundred ninety-four".