1427620499 has 8 divisors (see below), whose sum is σ = 1503381840. Its totient is φ = 1351921536.

The previous prime is 1427620487. The next prime is 1427620507. The reversal of 1427620499 is 9940267241.

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

It is a cyclic number.

It is not a de Polignac number, because 1427620499 - 2¹² = 1427616403 is a prime.

It is a super-3 number, since 3×1427620499³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1427620409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35759 + ... + 64295.

It is an arithmetic number, because the mean of its divisors is an integer number (187922730).

Almost surely, 2^1427620499 is an apocalyptic number.

1427620499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1427620499 is a deficient number, since it is larger than the sum of its proper divisors (75761341).

1427620499 is a wasteful number, since it uses less digits than its factorization.

1427620499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31189.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1427620499 is about 37783.8655910165. The cubic root of 1427620499 is about 1125.9979290786.

The spelling of 1427620499 in words is "one billion, four hundred twenty-seven million, six hundred twenty thousand, four hundred ninety-nine".