1421992701 has 6 divisors (see below), whose sum is σ = 2053989470. Its totient is φ = 947995128.

The previous prime is 1421992679. The next prime is 1421992721. The reversal of 1421992701 is 1072991241.

It can be written as a sum of positive squares in only one way, i.e., 1262096676 + 159896025 = 35526^2 + 12645^2 .

It is not a de Polignac number, because 1421992701 - 2⁵ = 1421992669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421992721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78999586 + ... + 78999603.

Almost surely, 2^1421992701 is an apocalyptic number.

It is an amenable number.

1421992701 is a deficient number, since it is larger than the sum of its proper divisors (631996769).

1421992701 is a wasteful number, since it uses less digits than its factorization.

1421992701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157999195 (or 157999192 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1421992701 is about 37709.3184902618. The cubic root of 1421992701 is about 1124.5163882843.

The spelling of 1421992701 in words is "one billion, four hundred twenty-one million, nine hundred ninety-two thousand, seven hundred one".