1421769006 has 72 divisors (see below), whose sum is σ = 3609529560. Its totient is φ = 403262496.

The previous prime is 1421768987. The next prime is 1421769023. The reversal of 1421769006 is 6009671241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116800 + ... + 128396.

It is an arithmetic number, because the mean of its divisors is an integer number (50132355).

Almost surely, 2^1421769006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421769006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804764780).

1421769006 is an abundant number, since it is smaller than the sum of its proper divisors (2187760554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421769006 is a wasteful number, since it uses less digits than its factorization.

1421769006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758 (or 11748 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1421769006 is about 37706.3523295479. The cubic root of 1421769006 is about 1124.4574189509.

The spelling of 1421769006 in words is "one billion, four hundred twenty-one million, seven hundred sixty-nine thousand, six".