1425420469 has 8 divisors (see below), whose sum is σ = 1622613312. Its totient is φ = 1239495840.

The previous prime is 1425420461. The next prime is 1425420481. The reversal of 1425420469 is 9640245241.

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

It is not a de Polignac number, because 1425420469 - 2³ = 1425420461 is a prime.

It is a super-2 number, since 2×1425420469² = 4063647026888359922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425420461) 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, 2816784 + ... + 2817289.

It is an arithmetic number, because the mean of its divisors is an integer number (202826664).

Almost surely, 2^1425420469 is an apocalyptic number.

It is an amenable number.

1425420469 is a deficient number, since it is larger than the sum of its proper divisors (197192843).

1425420469 is a wasteful number, since it uses less digits than its factorization.

1425420469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634107.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1425420469 is about 37754.7410135469. The cubic root of 1425420469 is about 1125.4192265395.

The spelling of 1425420469 in words is "one billion, four hundred twenty-five million, four hundred twenty thousand, four hundred sixty-nine".